73812154
Jul 12, 1989
May 14, 1991
STRUCTURAL PANELS, HAVING A HONEYCOMB CORE FOR USE IN THE CONSTRUCTION OF MOTOR VEHICLES, AIRPLANES AND BOATS
VehiclesPLASTICS IN THE FORM OF HONEYCOMB STRUCTURES FOR USE IN MANUFACTURE OF REINFORCED ACOUSTIC, THERMAL OR MOISTURE PROOF PANELS AND BLOCKS
Rubber GoodsNON-METALLIC HONEYCOMBED BUILDING PANELS AND BLOCKS FOR CONSTRUCTION AND PUBLIC WORKS; PANELS FOR CONSTRUCTION OF DOCKS, RESERVOIRS, CONCRETE FRAMES, CONDUITS FOR DRAINAGE, NON-METALLIC SLABS, CONSTRUCTION FRAMES, DECORATIVE WALL AND CEILING FACINGS
Nonmetallic Building Materials