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A
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SECTION A — HUMAN NECESSITIES
B
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SECTION B — PERFORMING OPERATIONSTRANSPORTING
B01
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SEPARATINGMIXING
B01
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PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
B02
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CRUSHING, PULVERISING, OR DISINTEGRATINGPREPARATORY TREATMENT OF GRAIN FOR MILLING
B03
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SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGSMAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDSSEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS [5]
B04
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CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
B05
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SPRAYING OR ATOMISING IN GENERALAPPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL [2]
B06
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GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
B07
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SEPARATING SOLIDS FROM SOLIDSSORTING
B08
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CLEANING
B09
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DISPOSAL OF SOLID WASTERECLAMATION OF CONTAMINATED SOIL [3, 6]
B21
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SHAPING
B21
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MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIALPUNCHING METAL
B22
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CASTINGPOWDER METALLURGY
B22C
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FOUNDRY MOULDING (moulding refractory materials in general B28B)
B22D
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CASTING OF METALSCASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES (shaping of plastics or substances in a plastic state B29C; metallurgical processing, selection of substances to be added to metal C21, C22)
B22F
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WORKING METALLIC POWDERMANUFACTURE OF ARTICLES FROM METALLIC POWDERMAKING METALLIC POWDER (making alloys by powder metallurgy C22C)APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
B22F 1/00
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Special treatment of metallic powder, e.g. to facilitate working, to improve propertiesMetallic powders per se, e.g. mixtures of particles of different composition
B22F 3/00
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Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sinteringApparatus specially adapted therefor
B22F 3/02
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Compacting only
B22F 3/03
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. . Press-moulding apparatus therefor [6]
B22F 3/035
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. . . with one or more of the parts thereof being pivotally mounted [6]
B22F 3/04
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. . by applying fluid pressure
B22F 3/06
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. . by centrifugal forces
B22F 3/08
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. . by explosive forces
B22F 3/087
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. . using high energy impulses, e.g. magnetic field impulses [6]
B22F 3/093
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. . using vibration [6]
B22F 3/10
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Sintering only
B22F 3/105
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. . by using electric current, laser radiation or plasma (B22F 3/11 takes precedence) [6]
B22F 3/11
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. . Making porous workpieces or articles [6]
B22F 3/115
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by spraying molten metal, i.e. spray sintering, spray casting [6]
B22F 3/12
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Both compacting and sintering (by forging B22F 3/17) [6]
B22F 3/14
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. . simultaneously
B22F 3/15
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. . . Hot isostatic pressing [6]
B22F 3/16
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. . in successive or repeated steps
B22F 3/17
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by forging [6]
B22F 3/18
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by using pressure rollers [6]
B22F 3/20
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by extruding
B22F 3/22
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for producing castings from a slip
B22F 3/23
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involving a self-propagating high-temperature synthesis or reaction sintering step [6]
B22F 3/24
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After-treatment of workpieces or articles
B22F 3/26
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. . Impregnating
B22F 5/00
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Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product
B22F 7/00
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Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting
B22F 8/00
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Manufacture of articles from scrap or waste metal particles [6]
B22F 9/00
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Making metallic powder or suspensions thereofApparatus or devices specially adapted therefor
B23
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MACHINE TOOLSMETAL-WORKING NOT OTHERWISE PROVIDED FOR
B24
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GRINDINGPOLISHING
B25
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HAND TOOLSPORTABLE POWER-DRIVEN TOOLSHANDLES FOR HAND IMPLEMENTSWORKSHOP EQUIPMENTMANIPULATORS
B26
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HAND CUTTING TOOLSCUTTINGSEVERING
B27
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WORKING OR PRESERVING WOOD OR SIMILAR MATERIALNAILING OR STAPLING MACHINES IN GENERAL
B28
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WORKING CEMENT, CLAY, OR STONE
B29
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WORKING OF PLASTICSWORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
B30
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PRESSES
B31
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MAKING PAPER ARTICLESWORKING PAPER
B32
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LAYERED PRODUCTS
B41
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PRINTING
B41
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PRINTINGLINING MACHINESTYPEWRITERSSTAMPS [4]
B42
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BOOKBINDINGALBUMSFILESSPECIAL PRINTED MATTER
B43
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WRITING OR DRAWING IMPLEMENTSBUREAU ACCESSORIES
B44
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DECORATIVE ARTS
B60
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TRANSPORTING
B60
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VEHICLES IN GENERAL
B61
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RAILWAYS
B62
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LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
B63
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SHIPS OR OTHER WATERBORNE VESSELSRELATED EQUIPMENT
B64
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AIRCRAFTAVIATIONCOSMONAUTICS
B65
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CONVEYINGPACKINGSTORINGHANDLING THIN OR FILAMENTARY MATERIAL
B66
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HOISTINGLIFTINGHAULING
B67
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OPENING OR CLOSING BOTTLES, JARS OR SIMILAR CONTAINERSLIQUID HANDLING
B68
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SADDLERYUPHOLSTERY
B81
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MICRO-STRUCTURAL TECHNOLOGYNANO-TECHNOLOGY
B81
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MICRO-STRUCTURAL TECHNOLOGY [7]
B82
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NANO-TECHNOLOGY [7]
B99
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SUBJECT MATTER NOT OTHERWISE PROVIDED FOR IN THIS SECTION [2006.01]
C
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SECTION C — CHEMISTRYMETALLURGY
D
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SECTION D — TEXTILESPAPER
E
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SECTION E — FIXED CONSTRUCTIONS
F
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SECTION F — MECHANICAL ENGINEERINGLIGHTINGHEATINGWEAPONSBLASTING
G
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SECTION G — PHYSICS
H
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SECTION H — ELECTRICITY

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