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Symbol IPC-Stellen auswählen Titel
A
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SECTION A — HUMAN NECESSITIES
B
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SECTION B — PERFORMING OPERATIONSTRANSPORTING
C
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SECTION C — 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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SKINSHIDESPELTSLEATHER
C21
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METALLURGY
C21
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METALLURGY OF IRON
C22
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METALLURGYFERROUS OR NON-FERROUS ALLOYSTREATMENT OF ALLOYS OR NON-FERROUS METALS
C22B
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PRODUCTION OR REFINING OF METALS (making metallic powder or suspensions thereof B22F 9/00;  production of metals by electrolysis or electrophoresis  C25)PRETREATMENT OF RAW MATERIALS
C22C
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ALLOYS (treatment of alloys C21D, C22F)
C22F
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CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS OR NON-FERROUS ALLOYS (processes specific to heat treatment of ferrous alloys or steels and devices for heat treatment of metals or alloys C21D)
C22F 1/00
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Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
C22F 1/02
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in inert or controlled atmosphere or vacuum
C22F 1/04
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of aluminium or alloys based thereon
C22F 1/043
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. . of alloys with silicon as the next major constituent [4]
C22F 1/047
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. . of alloys with magnesium as the next major constituent [4]
C22F 1/05
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. . of alloys of the Al-Si-Mg type, i.e. containing silicon and magnesium in approximately equal proportions [4]
C22F 1/053
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. . of alloys with zinc as the next major constituent [4]
C22F 1/057
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. . of alloys with copper as the next major constituent [4]
C22F 1/06
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of magnesium or alloys based thereon
C22F 1/08
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of copper or alloys based thereon
C22F 1/10
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of nickel or cobalt or alloys based thereon
C22F 1/11
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of chromium or alloys based thereon
C22F 1/12
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of lead or alloys based thereon
C22F 1/14
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of noble metals or alloys based thereon
C22F 1/16
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of other metals or alloys based thereon
C22F 1/18
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. . High-melting or refractory metals or alloys based thereon
C22F 3/00
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Changing the physical structure of non-ferrous metals or alloys by special physical methods, e.g. treatment with neutrons
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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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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