73076046
Feb 22, 1976
Jun 27, 1978
GASKETS MADE PRINCIPALLY OF METAL FOR HEAT EXCHANGERS, PRESSURE VESSELS AND PIPING CONNECTIONS IN REFINERIES, PETRO-CHEMICAL AND SIMILAR PLANTS
Metal GoodsGASKETS MADE PRINCIPALLY OF NONMETALLIC MATERIALS FOR HEAT EXCHANGERS, PRESSURE VESSELS, AND PIPING CONNECTIONS IN REFINERIES, PETRO-CHEMICAL AND SIMILAR PLANTS
Rubber Goods