74004420
Nov 21, 1989
Nov 13, 1990
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