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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]
B03B
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SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS (removing fluids from solids B01D; magnetic or electrostatic separation of solid materials from solid materials or fluids, separation by high voltage electric fields B03C; flotation, differential sedimentation B03D; separating by dry methods B07; screening or sifting B07B; by picking B07C; separating peculiar to particular materials and provided for in other single classes, see the relevant classes)
B03C
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MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDSSEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS (filters making use of electricity or magnetism B01D 35/06; separating isotopes B01D 59/00; combinations of magnetic or electrostatic separation with separation of solids by other means B03B, B07B; separating sheets from piles B65H 3/00; magnets or magnet coils per seH01F) [5]
B03D
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FLOTATIONDIFFERENTIAL SEDIMENTATION (in combination with other separation of solids B03B; sink-float separation B03B 5/28)
B03D 1/00
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Flotation
B03D 1/001
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Flotation agents [5]
B03D 1/002
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. . Inorganic compounds [5]
B03D 1/004
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. . Organic compounds [5]
B03D 1/006
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. . . Hydrocarbons [5]
B03D 1/008
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. . . containing oxygen [5]
B03D 1/01
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. . . containing nitrogen [5]
B03D 1/012
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. . . containing sulfur [5]
B03D 1/014
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. . . containing phosphorus [5]
B03D 1/016
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. . . Macromolecular compounds [5]
B03D 1/018
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. . Mixtures of inorganic and organic compounds [5]
B03D 1/02
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Froth-flotation processes
B03D 1/04
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. . by varying ambient atmospheric pressure
B03D 1/06
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. . differential
B03D 1/08
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Subsequent treatment of concentrated product
B03D 1/10
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. . Removing adhering liquid from separated materials
B03D 1/12
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Agent recovery
B03D 1/14
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Flotation machines (devices for feeding measured quantities of reagents B01J 4/02)
B03D 1/16
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. . with impellersSubaeration machines
B03D 1/18
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. . . without air supply
B03D 1/20
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. . . with internal air pumps
B03D 1/22
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. . . with external blowers
B03D 1/24
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. . pneumatic
B03D 1/26
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. . . Air lift machines
B03D 3/00
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Differential sedimentation
B03D 101/00
Indexing scheme associated with group B03D 1/001, relating to the effects produced and the materials treated. [5]
B03D 101/00
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Specified effects produced by the flotation agents [5]
B03D 103/00
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Specified materials treated by the flotation agents [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
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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