B
PERFORMING OPERATIONS; TRANSPORTING
B
PERFORMING OPERATIONS; TRANSPORTING
B22
CASTING; POWDER METALLURGY
B22
CASTING; POWDER METALLURGY
B22C
FOUNDRY MOULDING
B22C
FOUNDRY MOULDING
B22C9/00
Moulds or cores; Moulding processes
B22C9/00
Moulds or cores; Moulding processes