85063953
Jun 16, 2010
Mar 22, 2011
Non-metal gaskets for pipelines; Non-metal seals for use in pipeline joints; Non-metal seals for flange isolation pipe connections; Pipe gaskets; Pipe gaskets for oil and liquid chemical pipe; Rings of rubber for use as pipe connection seals; Sheets of graphite-based material for use as gaskets, seals, packings, and heat insulators
Rubber Goods