74004419
Nov 21, 1989
Jun 25, 1991
CUTTING ATTACHMENTS FOR MACHINE TOOLS; NAMELY, DRILLS, DRILL BITS, POWER OPERATED MONOLITHIC ROTATING CUTTING TOOLS, POWER OPERATED ROTATING CUTTING TOOLS WITH REMOVABLE CUTTING BITS, ALL MADE OF SINTERED HARD CUTTING MATERIAL BASED ON CARBIDE, NITRIDE AND/OR OXIDE
Machinery