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CHEMISTRY
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C01
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INORGANIC CHEMISTRY
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C02
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TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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C03
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GLASS; MINERAL OR SLAG WOOL
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C04
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CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES[4]
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C05
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FERTILISERS; MANUFACTURE THEREOF[4]
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C06
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EXPLOSIVES; MATCHES
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C07
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ORGANIC CHEMISTRY[2]
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C08
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ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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C09
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DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
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C10
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PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
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C11
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ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
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C12
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BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
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C13
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SUGAR INDUSTRY[4]
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C14
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SKINS; HIDES; PELTS OR LEATHER
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METALLURGY
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C21
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METALLURGY OF IRON
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C22
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METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
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C23
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COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL[2]
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C25
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ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR[4]
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C30
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CRYSTAL GROWTH[3]
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COMBINATORIAL TECHNOLOGY[8]
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C40
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COMBINATORIAL TECHNOLOGY[8]
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C99
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SUBJECT MATTER NOT OTHERWISE PROVIDED FOR IN THIS SECTION[8]
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