71637606
Nov 4, 1952
Jun 23, 1953
Active Trademark
HEAT-REFRACTORY MATERIALS CONSISTING OF CRYSTALLINE ALUMINA, SILICON CARBIDE, MAGNESIA GRAIN FOR INSULATION, LINING, PACKING, AND CEMENT MATERIALS; [REFRACTORY BRICKS, BLOCKS, PLATES, AND OTHER BONDED REFRACTORY SHAPED ARTICLES]
Vehicles