75549666
Sep 8, 1998
Aug 29, 2000
ALUMINUM OXIDE, CERAMIC, SILICON CARBIDE, AND ZIRCONIA ABRASIVES FOR USE IN THE MANUFACTURE OF GRINDERS, GRINDING WHEELS, GRINDING CUPS, GRINDING CONES, FIBER GRINDING DISKS, GRINDING PLUGS, RIGHT ANGLE GRINDERS, AND CUT-OFF MACHINES
Nonmetallic Building Materials