Patent classifications
C
CHEMISTRY; METALLURGY
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C22
METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
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C22C
ALLOYS
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38/00
Ferrous alloys, e.g. steel alloys
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C22C38/004
Very low carbon steels, i.e. having a carbon content of less than 0,01%
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