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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C22C38/00
Ferrous alloys, e.g. steel alloys
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C22C38/60
containing lead, selenium, tellurium, or antimony, or more than 0.04% by weight of sulfur
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