Patent classifications
B
PERFORMING OPERATIONS; TRANSPORTING
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B22
CASTING; POWDER METALLURGY
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B22F
WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
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9/00
Making metallic powder or suspensions thereof
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B22F9/16
using chemical processes
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B22F9/18
with reduction of metal compounds
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B22F9/28
starting from gaseous metal compounds
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