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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47/00
Making alloys containing metallic or non-metallic fibres or filaments
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C22C47/02
Pretreatment of the fibres or filaments
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C22C47/04
by coating, e.g. with a protective or activated covering
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