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A
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HUMAN NECESSITIES
B
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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 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
B23
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MACHINE TOOLSMETAL-WORKING NOT OTHERWISE PROVIDED FOR
B23B
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TURNINGBORING (using an electrode which takes the place of a tool B23H, e.g. making holes B23H 9/14; working by laser beam B23K 26/00; arrangements for copying or controlling B23Q)
B23B 1/00
Turning
B23B 1/00
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Methods for turning or working essentially requiring the use of turning-machinesUse of auxiliary equipment in connection with such methods [1, 2006.01]
B23B 3/00
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General-purpose turning-machines or devices, e.g. centre lathes with feed rod and lead screwSets of turning-machines [1, 2006.01]
B23B 5/00
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Turning-machines or devices specially adapted for particular workAccessories specially adapted therefor [1, 2006.01]
B23B 7/00
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Automatic or semi-automatic turning-machines with a single working-spindle, e.g. controlled by camsEquipment thereforFeatures common to automatic and semi-automatic turning-machines with one or more working-spindles [1, 2006.01]
B23B 9/00
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Automatic or semi-automatic turning-machines with a plurality of working-spindles, e.g. automatic multiple-spindle machines with spindles arranged in a drum carrier able to be moved into pre-determined positionsEquipment therefor (equipment applicable to single-spindle machines B23B 7/00) [1, 2006.01]
B23B 11/00
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Automatic or semi-automatic turning-machines incorporating equipment for performing other working procedures, e.g. slotting, milling, rolling [1, 2006.01]
B23B 13/00
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Arrangements for automatically conveying, chucking or guiding stock for turning machines [1, 2006.01]
B23B 15/00
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Arrangements for conveying, loading, adjusting, reversing, chucking, or discharging workpieces specially designed for automatic or semi-automatic turning-machines [1, 2006.01]
B23B 17/00
Components or accessories particularly for turning machines
B23B 17/00
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Lathe beds (foundation frames, carriage guides as such B23Q 1/00) [1, 2006.01]
B23B 19/00
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HeadstocksEquivalent parts of any machine tools [1, 2006.01]
B23B 21/00
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Lathe carriagesCross-slidesTool posts (tool holders B23B 29/00)Similar parts of any machine tools [1, 2006.01]
B23B 23/00
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TailstocksCentres [1, 2006.01]
B23B 25/00
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Accessories or auxiliary equipment for turning-machines (for machine tools in general B23Q; cooling or lubricating B23Q 11/12) [1, 2006.01]
B23B 27/00

B23B 27/00
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Tools for turning or boring machines (for drilling machines B23B 51/00)Tools of a similar kind in generalAccessories therefor [1, 2006.01]
B23B 29/00
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Holders for non-rotary cutting tools (B23B 27/12 takes precedence)Boring bars or boring headsAccessories for tool holders [1, 2006.01]
B23B 31/00
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ChucksExpansion mandrelsAdaptations thereof for remote control (devices for securing work or tools to spindles in general B23Q 3/12; rotary devices holding by magnetic or electrical force acting directly on work B23Q 3/152) [1, 2006.01]
B23B 33/00
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DriversDriving centresNose clutches, e.g. lathe dogs [1, 2006.01]
B23B 35/00
BoringDrilling [3]
B23B 35/00
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Methods for boring or drilling, or for working essentially requiring the use of boring or drilling machinesUse of auxiliary equipment in connection with such methods [1, 2006.01]
B23B 37/00
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Boring by making use of vibrations of ultrasonic frequency (working materials by subjecting the grinding tools or the abrading medium to vibration, e.g. grinding with ultrasonic frequency, B24B 1/04) [1, 2006.01]
B23B 39/00
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General-purpose boring or drilling machines or devicesSets of boring or drilling machines [1, 2006.01]
B23B 41/00
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Boring or drilling machines or devices specially adapted for particular workAccessories specially adapted therefor [1, 2006.01]
B23B 43/00
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Boring or drilling devices able to be attached to a machine tool, whether or not replacing an operative portion of the machine tool (if specially adapted for particular work B23B 41/00) [1, 2006.01]
B23B 45/00
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Hand-held or like portable drilling machines, e.g. drill gunsEquipment therefor (details or components, e.g. casings, bodies, of portable power-driven tools not particularly related to the operation performed B25F 5/00) [1, 4, 2006.01]
B23B 47/00
Components or accessories for boring or drilling machines
B23B 47/00
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Constructional features of components specially designed for boring or drilling machinesAccessories therefor (working-spindles, bearing sleeves therefor B23B 19/02; for machine tools in general B23Q) [1, 2006.01]
B23B 49/00
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Measuring or gauging equipment on boring machines for positioning or guiding the drillDevices for indicating failure of drills during boringCentring devices for holes to be bored (marking-out equipment B25H 7/00; measuring devices, gauges G01B) [1, 2006.01]
B23B 51/00
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Tools for drilling machines [1, 2006.01]
B23C
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MILLING (broaching B23D; broach-milling in making gears B23F; arrangements for copying or controlling B23Q)
B23D
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PLANINGSLOTTINGSHEARINGBROACHINGSAWINGFILINGSCRAPINGLIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR (making toothed gears or the like B23F; cutting metal by applying heat locally B23K; arrangements for copying or controlling B23Q)
B23F
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MAKING GEARS OR TOOTHED RACKS (by stamping B21D; by rolling B21H; by forging or pressing B21K; by casting B22; arrangements for copying or controlling B23Q; machines or devices for grinding or polishing, in general B24B)
B23G
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THREAD CUTTINGWORKING OF SCREWS, BOLT HEADS OR NUTS, IN CONJUNCTION THEREWITH (thread-forming by corrugating tubes B21D 15/04;  by rolling B21H 3/02; by forging, pressing or hammering B21K 1/56;  making helical grooves by turning B23B 5/48; by milling B23C 3/32; by grinding B24B 19/02;  arrangements for copying or controlling B23Q)
B23H
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WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOLSUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL (processes for the electrolytic or electrophoretic production of coatings, electroforming, or apparatus therefor C25D; processes for the electrolytic removal of material from objects C25F; manufacturing printed circuits using precipitation techniques to apply the conductive material to form the desired conductive pattern H05K 3/18) [4]
B23K
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SOLDERING OR UNSOLDERINGWELDINGCLADDING OR PLATING BY SOLDERING OR WELDINGCUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTINGWORKING BY LASER BEAM (making metal-coated products by extruding metal B21C 23/22; building up linings or coverings by casting B22D 19/08; casting by dipping B22D 23/04; manufacture of composite layers by sintering metal powder B22F 7/00; arrangements on machine tools for copying or controlling B23Q; covering metals or covering materials with metals, not otherwise provided for C23C; burners F23D)
B23P
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METAL-WORKING NOT OTHERWISE PROVIDED FORCOMBINED OPERATIONSUNIVERSAL MACHINE TOOLS (arrangements for copying or controlling B23Q)
B23Q
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DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING (tools of the kind used in lathes or boring machines B23B 27/00)MACHINE TOOLS IN GENERAL, CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTSCOMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
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 ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPERWORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
B32
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LAYERED PRODUCTS
B33
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ADDITIVE MANUFACTURING TECHNOLOGY [2015.01]
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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MICROSTRUCTURAL TECHNOLOGYNANOTECHNOLOGY
B81
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MICROSTRUCTURAL TECHNOLOGY [7]
B82
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NANOTECHNOLOGY [7]
B99
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SUBJECT MATTER NOT OTHERWISE PROVIDED FOR IN THIS SECTION [2006.01]
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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