B
PERFORMING OPERATIONS; TRANSPORTING
B
PERFORMING OPERATIONS; TRANSPORTING
B23
MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
B23
MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
B23B
TURNING; BORING
B23B
TURNING; BORING
B23B2222/00
Materials of tools or workpieces composed of metals, alloys or metal matrices
B23B2222/00
Materials of tools or workpieces composed of metals, alloys or metal matrices