73505112
Oct 22, 1984
Dec 17, 1985
METAL FITTINGS FOR USE IN SANITARY PIPING SYSTEMS, NAMELY, FERRULES, ELBOWS, TEES, CROSSES, X'S, HEX NUTS, SAMPLING COCKS, Y CHECK VALVES, CAPS, SUPPORTS, ADAPTERS, REDUCERS, CLAMPS AND HANGERS, AND GASKETS THEREFOR
Environmental Control Apparatus