B PERFORMING OPERATIONS; TRANSPORTING
B22 CASTING; POWDER METALLURGY
B22F WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
7/00 Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting; wherein at least one part is obtained by sintering or compression
B22F7/06 of composite workpieces or articles from parts, e.g. to form tipped tools
B22F7/08 with one or more parts not made from powder