73110880
Dec 27, 1976
Jun 20, 1978
POLYIMIDES AND OTHER HIGH PERFORMANCE PLASTIC MATERIALS, INCLUDING FIBER REINFORCED PLASTIC MATERIALS, FOR GENERAL INDUSTRIAL PUPROSES, PARTICULARLY FOR USE IN THE MANUFACTURE OF GASKETS, SEALS, SELF-LUBRICATING BEARINGS AND PARTS THEREOF, MACHINE PARTS AND ELECTRICAL INSULATING COMPONENTS
Rubber Goods