74125981
Dec 24, 1990
Sep 15, 1992
secondary contained piping system in which detectors may be installed for containing leaks in pipes comprising P-traps, bell traps, straights, Y's, full tees, reducing tees, reducers, drains, seals, 45 degrees and 90 degrees elbows, all made of modular thermoplastic polypropylene, polyethylene, poly(vinylidene fluoride) and combinations thereof
Rubber Goods