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Symbol IPC-Stellen auswählen Titel
A
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HUMAN NECESSITIES
B
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PERFORMING OPERATIONSTRANSPORTING
C
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CHEMISTRYMETALLURGY
C01
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CHEMISTRY
C01
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INORGANIC CHEMISTRY
C02
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TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
C03
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GLASSMINERAL OR SLAG WOOL
C04
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CEMENTSCONCRETEARTIFICIAL STONECERAMICSREFRACTORIES [4]
C05
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FERTILISERSMANUFACTURE THEREOF [4]
C06
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EXPLOSIVESMATCHES
C07
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ORGANIC CHEMISTRY [2]
C08
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ORGANIC MACROMOLECULAR COMPOUNDSTHEIR PREPARATION OR CHEMICAL WORKING-UPCOMPOSITIONS BASED THEREON
C09
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DYESPAINTSPOLISHESNATURAL RESINSADHESIVESCOMPOSITIONS NOT OTHERWISE PROVIDED FORAPPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
C10
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PETROLEUM, GAS OR COKE INDUSTRIESTECHNICAL GASES CONTAINING CARBON MONOXIDEFUELSLUBRICANTSPEAT
C11
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ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXESFATTY ACIDS THEREFROMDETERGENTSCANDLES
C12
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BIOCHEMISTRYBEERSPIRITSWINEVINEGARMICROBIOLOGYENZYMOLOGYMUTATION OR GENETIC ENGINEERING
C13
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SUGAR INDUSTRY [4]
C14
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SKINSHIDESPELTS OR LEATHER
C21
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METALLURGY
C21
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METALLURGY OF IRON
C21B
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MANUFACTURE OF IRON OR STEEL (preliminary treatment of ferrous ores or scrap C22B 1/00)
C21C
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PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEELTREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
C21D
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MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALSGENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYSMAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING (cementation by diffusion processes C23C; surface treatment of metallic material involving at least one process provided for in class C23 and at least one process covered by this subclass C23F 17/00; unidirectional solidification of eutectic materials or unidirectional demixing of eutectoid materials C30B)
C21D 1/00
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General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering [1, 2006.01]
C21D 3/00
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Diffusion processes for extraction of non-metalsFurnaces therefor (local protective coatings C21D 1/72) [1, 2006.01]
C21D 5/00
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Heat treatment of cast-iron [1, 2006.01]
C21D 5/02
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improving the malleability of grey cast-iron [1, 2006.01]
C21D 5/04
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of white cast-iron [1, 2006.01]
C21D 5/06
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. . Malleabilising [1, 2006.01]
C21D 5/08
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. . . with oxidation of carbon [1, 2006.01]
C21D 5/10
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. . . . in gaseous agents [1, 2006.01]
C21D 5/12
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. . . . in solid agents [1, 2006.01]
C21D 5/14
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. . . Graphitising [1, 2006.01]
C21D 5/16
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. . . . Packing agents [1, 2006.01]
C21D 6/00
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Heat treatment of ferrous alloys [2, 2006.01]
C21D 7/00
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Modifying the physical properties of iron or steel by deformation (apparatus for mechanical working of metal B21, B23, B24) [1, 2006.01]
C21D 8/00
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Modifying the physical properties by deformation combined with, or followed by, heat treatment (hardening articles or materials formed by forging or rolling with no further heating beyond that required for the formation C21D 1/02) [3, 2006.01]
C21D 9/00
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Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articlesFurnaces therefor [1, 2006.01]
C21D 10/00
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Modifying the physical properties by methods other than heat treatment or deformation [3, 2006.01]
C21D 11/00
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Process control or regulation for heat treatments [2, 2006.01]
C22
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METALLURGYFERROUS OR NON-FERROUS ALLOYSTREATMENT OF ALLOYS OR NON-FERROUS METALS
C23
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COATING METALLIC MATERIALCOATING MATERIAL WITH METALLIC MATERIALCHEMICAL SURFACE TREATMENTDIFFUSION TREATMENT OF METALLIC MATERIALCOATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERALINHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL [2]
C25
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ELECTROLYTIC OR ELECTROPHORETIC PROCESSESAPPARATUS THEREFOR [4]
C30
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CRYSTAL GROWTH [3]
C40
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COMBINATORIAL TECHNOLOGY [2006.01]
C40
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COMBINATORIAL TECHNOLOGY [2006.01]
C99
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SUBJECT MATTER NOT OTHERWISE PROVIDED FOR IN THIS SECTION [2006.01]
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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