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A
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HUMAN NECESSITIES
A01
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AGRICULTURE
A01
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AGRICULTUREFORESTRYANIMAL HUSBANDRYHUNTINGTRAPPINGFISHING
A21
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FOODSTUFFSTOBACCO
A21
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BAKINGEQUIPMENT FOR MAKING OR PROCESSING DOUGHSDOUGHS FOR BAKING [1, 2006.01]
A22
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BUTCHERINGMEAT TREATMENTPROCESSING POULTRY OR FISH
A23
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FOODS OR FOODSTUFFSTREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
A24
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TOBACCOCIGARSCIGARETTESSIMULATED SMOKING DEVICESSMOKERS' REQUISITES
A41
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PERSONAL OR DOMESTIC ARTICLES
A41
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WEARING APPAREL
A42
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HEADWEAR
A43
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FOOTWEAR
A44
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HABERDASHERYJEWELLERY
A45
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HAND OR TRAVELLING ARTICLES
A46
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BRUSHWARE
A47
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FURNITUREDOMESTIC ARTICLES OR APPLIANCESCOFFEE MILLSSPICE MILLSSUCTION CLEANERS IN GENERAL
A61
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HEALTHLIFE-SAVINGAMUSEMENT
A61
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MEDICAL OR VETERINARY SCIENCEHYGIENE
A61B
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DIAGNOSISSURGERYIDENTIFICATION (analysing biological material G01N, e.g. G01N 33/48)
A61C
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DENTISTRYAPPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE (non-driven toothbrushes A46B; preparations for dentistry A61K 6/00;  preparations for cleaning the teeth or mouth A61K 8/00, A61Q 11/00)
A61D
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VETERINARY INSTRUMENTS, IMPLEMENTS, TOOLS, OR METHODS
A61F
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FILTERS IMPLANTABLE INTO BLOOD VESSELSPROSTHESESDEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTSORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICESFOMENTATIONTREATMENT OR PROTECTION OF EYES OR EARSBANDAGES, DRESSINGS OR ABSORBENT PADSFIRST-AID KITS (dental prosthetics A61C) [6, 2006.01]
A61G
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TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS (appliances for aiding patients or disabled persons to walk A61H 3/00)OPERATING TABLES OR CHAIRSCHAIRS FOR DENTISTRYFUNERAL DEVICES (embalming corpses A01N 1/00)
A61H
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PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODYARTIFICIAL RESPIRATIONMASSAGEBATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY (electrotherapy, magnetotherapy, radiation therapy, ultrasound therapy A61N)
A61J
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CONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICAL PURPOSESDEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGING PHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL OR ADMINISTERING FORMSDEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLYBABY COMFORTERSDEVICES FOR RECEIVING SPITTLE
A61K
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PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES (devices or methods specially adapted for bringing pharmaceutical products into particular physical or administering forms A61J 3/00; chemical aspects of, or use of materials for deodorisation of air, for disinfection or sterilisation, or for bandages, dressings, absorbent pads or surgical articles A61L; soap compositions C11D)
A61K 6/00
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Preparations for dentistry [3, 2006.01, 2020.01]
A61K 8/00
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Cosmetics or similar toiletry preparations [2006.01]
A61K 8/02
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characterised by special physical form [2006.01]
A61K 8/03
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. . Liquid compositions with two or more distinct layers [2006.01]
A61K 8/04
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. . DispersionsEmulsions [2006.01]
A61K 8/06
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. . . Emulsions [2006.01]
A61K 8/11
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. . Encapsulated compositions [2006.01]
A61K 8/14
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. . Liposomes [2006.01]
A61K 8/18
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characterised by the composition [2006.01]
A61K 8/19
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. . containing inorganic ingredients [2006.01]
A61K 8/20
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. . . HalogensCompounds thereof [2006.01]
A61K 8/21
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. . . . FluoridesDerivatives thereof [2006.01]
A61K 8/22
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. . . PeroxidesOxygenOzone [2006.01]
A61K 8/23
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. . . SulfurSeleniumTelluriumCompounds thereof [2006.01]
A61K 8/24
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. . . PhosphorusCompounds thereof [2006.01]
A61K 8/25
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. . . SiliconCompounds thereof [2006.01]
A61K 8/26
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. . . AluminiumCompounds thereof [2006.01]
A61K 8/27
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. . . ZincCompounds thereof [2006.01]
A61K 8/28
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. . . ZirconiumCompounds thereof [2006.01]
A61K 8/29
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. . . TitaniumCompounds thereof [2006.01]
A61K 8/30
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. . containing organic compounds [2006.01]
A61K 8/31
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. . . Hydrocarbons [2006.01]
A61K 8/33
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. . . containing oxygen [2006.01]
A61K 8/34
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. . . . Alcohols [2006.01]
A61K 8/35
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. . . . Ketones, e.g. quinones, benzophenone [2006.01]
A61K 8/36
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. . . . Carboxylic acidsSalts or anhydrides thereof [2006.01]
A61K 8/362
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. . . . . Polycarboxylic acids [2006.01]
A61K 8/365
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. . . . . Hydroxycarboxylic acidsKetocarboxylic acids [2006.01]
A61K 8/368
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. . . . . with carboxyl groups directly bound to carbon atoms of aromatic rings [2006.01]
A61K 8/37
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. . . . Esters of carboxylic acids [2006.01]
A61K 8/38
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. . . . Percompounds, e.g. peracids [2006.01]
A61K 8/39
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. . . . Derivatives containing from 2 to 10 oxyalkylene groups [2006.01]
A61K 8/40
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. . . containing nitrogen (quinones containing nitrogen A61K 8/35) [2006.01]
A61K 8/41
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. . . . Amines [2006.01]
A61K 8/42
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. . . . Amides [2006.01]
A61K 8/43
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. . . . Guanidines [2006.01]
A61K 8/44
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. . . . Aminocarboxylic acids or derivatives thereof, e.g. aminocarboxylic acids containing sulfurSalts, esters or N-acylated derivatives thereof [2006.01]
A61K 8/45
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. . . . Derivatives containing from 2 to 10 oxyalkylene groups [2006.01]
A61K 8/46
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. . . containing sulfur (A61K 8/44 takes precedence) [2006.01]
A61K 8/49
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. . . containing heterocyclic compounds [2006.01]
A61K 8/55
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. . . containing phosphorus [2006.01]
A61K 8/58
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. . . containing atoms other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur or phosphorus [2006.01]
A61K 8/60
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. . . SugarsDerivatives thereof [2006.01]
A61K 8/63
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. . . SteroidsDerivatives thereof [2006.01]
A61K 8/64
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. . . ProteinsPeptidesDerivatives or degradation products thereof [2006.01]
A61K 8/65
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. . . . CollagenGelatinKeratinDerivatives or degradation products thereof [2006.01]
A61K 8/66
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. . . . Enzymes [2006.01]
A61K 8/67
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. . . Vitamins [2006.01]
A61K 8/68
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. . . Sphingolipids, e.g. ceramides, cerebrosides, gangliosides [2006.01]
A61K 8/69
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. . . containing fluorine [2006.01]
A61K 8/70
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. . . . containing perfluoro groups, e.g. perfluoroethers [2006.01]
A61K 8/72
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. . containing organic macromolecular compounds [2006.01]
A61K 8/73
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. . . Polysaccharides [2006.01]
A61K 8/81
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. . . obtained by reactions involving only carbon-to-carbon unsaturated bonds [2006.01]
A61K 8/84
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. . . obtained by reactions other than those involving only carbon-to-carbon unsaturated bonds [2006.01]
A61K 8/85
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. . . . Polyesters [2006.01]
A61K 8/86
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. . . . Polyethers [2006.01]
A61K 8/87
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. . . . Polyurethanes [2006.01]
A61K 8/88
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. . . . Polyamides [2006.01]
A61K 8/89
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. . . . Polysiloxanes [2006.01]
A61K 8/891
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. . . . . saturated, e.g. dimethicone, phenyl trimethicone, C24-C28 methicone or stearyl dimethicone [2006.01]
A61K 8/892
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. . . . . . modified by a hydroxy group, e.g. dimethiconol [2006.01]
A61K 8/893
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. . . . . . modified by an alkoxy or aryloxy group, e.g. behenoxy dimethicone or stearoxy dimethicone [2006.01]
A61K 8/894
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. . . . . . modified by a polyoxyalkylene group, e.g. cetyl dimethicone copolyol [2006.01]
A61K 8/895
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. . . . . containing silicon bound to unsaturated aliphatic groups, e.g. vinyl dimethicone [2006.01]
A61K 8/896
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. . . . . containing atoms other than silicon, carbon, oxygen and hydrogen, e.g. dimethicone copolyol phosphate [2006.01]
A61K 8/897
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. . . . . . containing halogen, e.g. fluorosilicones [2006.01]
A61K 8/898
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. . . . . . containing nitrogen, e.g. amodimethicone, trimethyl silyl amodimethicone or dimethicone propyl PG-betaine [2006.01]
A61K 8/899
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. . . . . . containing sulfur, e.g. sodium PG-propyldimethicone thiosulfate copolyol [2006.01]
A61K 8/90
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. . . Block copolymers (A61K 8/89 takes precedence) [2006.01]
A61K 8/91
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. . . Graft copolymers (A61K 8/89 takes precedence) [2006.01]
A61K 8/92
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. . Oils, fats or waxesDerivatives thereof, e.g. hydrogenation products [2006.01]
A61K 8/96
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. . containing materials, or derivatives thereof, of undetermined constitution [2006.01]
A61K 8/97
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. . . from algae, fungi, lichens or plantsfrom derivatives thereof [2006.01, 2017.01]
A61K 8/9706
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. . . . Algae [2017.01]
A61K 8/9711
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. . . . . Phaeophycota or Phaeophyta [brown algae], e.g. Fucus [2017.01]
A61K 8/9717
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. . . . . Rhodophycota or Rhodophyta [red algae], e.g. Porphyra [2017.01]
A61K 8/9722
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. . . . . Chlorophycota or Chlorophyta [green algae], e.g. Chlorella [2017.01]
A61K 8/9728
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. . . . Fungi, e.g. yeasts [2017.01]
A61K 8/9733
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. . . . Lichens [2017.01]
A61K 8/9739
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. . . . Bryophyta [mosses] [2017.01]
A61K 8/9741
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. . . . Pteridophyta [ferns] [2017.01]
A61K 8/9749
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. . . . . Filicopsida or Pteridopsida [2017.01]
A61K 8/9755
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. . . . Gymnosperms [Coniferophyta] [2017.01]
A61K 8/9761
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. . . . . Cupressaceae [Cypress family], e.g. juniper or cypress [2017.01]
A61K 8/9767
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. . . . . Pinaceae [Pine family], e.g. pine or cedar [2017.01]
A61K 8/9771
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. . . . Ginkgophyta, e.g. Ginkgoaceae [Ginkgo family] [2017.01]
A61K 8/9778
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. . . . Gnetophyta, e.g. Ephedraceae [Mormon-tea family] [2017.01]
A61K 8/9783
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. . . . Angiosperms [Magnoliophyta] [2017.01]
A61K 8/9789
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. . . . . Magnoliopsida [dicotyledons] [2017.01]
A61K 8/9794
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. . . . . Liliopsida [monocotyledons] [2017.01]
A61K 8/98
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. . . of animal origin [2006.01]
A61K 8/99
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. . . from microorganisms other than algae or fungi, e.g. protozoa or bacteria [2006.01, 2017.01]
A61K 9/00
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Medicinal preparations characterised by special physical form [1, 2006.01]
A61K 31/00
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Medicinal preparations containing organic active ingredients [2, 2006.01]
A61K 33/00
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Medicinal preparations containing inorganic active ingredients [2, 2006.01]
A61K 35/00
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Medicinal preparations containing materials or reaction products thereof with undetermined constitution [2, 2006.01]
A61K 36/00
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Medicinal preparations of undetermined constitution containing material from algae, lichens, fungi or plants, or derivatives thereof, e.g. traditional herbal medicines [2006.01]
A61K 38/00
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Medicinal preparations containing peptides (peptides containing beta-lactam rings A61K 31/00; cyclic dipeptides not having in their molecule any other peptide link than those which form their ring, e.g. piperazine-2,5-diones, A61K 31/00; ergoline-based peptides A61K 31/48; containing macromolecular compounds having statistically distributed amino acid units A61K 31/74; medicinal preparations containing antigens or antibodies A61K 39/00; medicinal preparations characterised by the non-active ingredients, e.g. peptides as drug carriers, A61K 47/00) [6, 2006.01]
A61K 39/00
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Medicinal preparations containing antigens or antibodies (materials for immunoassay G01N 33/53) [2, 2006.01]
A61K 41/00
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Medicinal preparations obtained by treating materials with wave energy or particle radiation [2, 2006.01, 2020.01]
A61K 45/00
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Medicinal preparations containing active ingredients not provided for in groups A61K 31/00-A61K 41/00 [2, 6, 2006.01]
A61K 47/00
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Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additivesTargeting or modifying agents chemically bound to the active ingredient [2, 2006.01]
A61K 48/00
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Medicinal preparations containing genetic material which is inserted into cells of the living body to treat genetic diseasesGene therapy [5, 2006.01]
A61K 49/00
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Preparations for testing in vivo [3, 2006.01]
A61K 50/00
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Electrically conductive preparations for use in therapy or testing in vivo, e.g. conductive adhesives or gels to be used with electrodes for electrocardiography [ECG] or for transcutaneous drug administration [2006.01]
A61K 51/00
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Preparations containing radioactive substances for use in therapy or testing in vivo [6, 2006.01]
A61K 101/00
Indexing scheme associated with group A61K 51/00, relating to the nature of the radioactive substance. [6]
A61K 101/00
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Radioactive non-metals [6, 2006.01]
A61K 103/00
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Radioactive metals [6, 2006.01]
A61K 125/00
Indexing scheme associated with group A61K 36/00, relating to plant parts with medicinal activity. [2006.01]
A61K 125/00
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Containing or obtained from roots, bulbs, tubers, corms or rhizomes [2006.01]
A61K 127/00
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Containing or obtained from leaves [2006.01]
A61K 129/00
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Containing or obtained from bark [2006.01]
A61K 131/00
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Containing or obtained from seeds, nuts, fruits or grains [2006.01]
A61K 133/00
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Containing or obtained from flowers or blossoms [2006.01]
A61K 135/00
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Containing or obtained from stems, stalks, branches, twigs or shoots [2006.01]
A61L
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METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERALDISINFECTION, STERILISATION OR DEODORISATION OF AIRCHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLESMATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES (preservation of bodies or disinfecting characterised by the agents employed A01N; preserving, e.g. sterilising, food or foodstuffs A23; preparations for medical, dental or toiletry purposes A61K) [4]
A61M
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DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY (introducing media into or onto the bodies of animals A61D 7/00;  means for inserting tampons A61F 13/26;  devices for administering food or medicines orally A61J;  containers for collecting, storing or administering blood or medical fluids A61J 1/05)DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY (surgery A61B;  chemical aspects of surgical articles A61L;  magnetotherapy using magnetic elements placed within the body A61N 2/10)DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR [4, 5]
A61N
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ELECTROTHERAPYMAGNETOTHERAPYRADIATION THERAPYULTRASOUND THERAPY (measurement of bioelectric currents A61B; surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body A61B 18/00; anaesthetic apparatus in general A61M; incandescent lamps H01K; infrared radiators for heating H05B) [6]
A61P
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SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS [7]
A61Q
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SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS [2006.01]
A62
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LIFE-SAVINGFIRE-FIGHTING
A63
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SPORTSGAMESAMUSEMENTS
A99
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SUBJECT MATTER NOT OTHERWISE PROVIDED FOR IN THIS SECTION [2006.01]
B
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PERFORMING OPERATIONSTRANSPORTING
C
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CHEMISTRYMETALLURGY
D
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TEXTILESPAPER
E
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FIXED CONSTRUCTIONS
F
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MECHANICAL ENGINEERINGLIGHTINGHEATINGWEAPONSBLASTING
G
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PHYSICS
H
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ELECTRICITY

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