73546307
Jul 3, 1985
Aug 11, 1987
POLYURETHANE-INSULATED PIPING SYSTEMS, FOR USE ABOVE OR BELOW GROUND, FOR CONVEYING HOT AND CHILLED WATER, CRYOGENIC LIQUIDS, FUEL OIL, CHEMICALS AND OTHER FLUIDS, AND CONSISTING OF AT LEAST ONE OR MORE OF THE FOLLOWING ELEMENTS: PIPINGS; FITTINGS; ANCHORS; END SEALS; GLAND SEALS; PIPE SECTIONS; ELBOWS; T-JOINTS; AND EXPANSION JOINTS
Nonmetallic Building Materials