72403295
Sep 22, 1971
May 7, 1974
ELECTRICAL HEAT TRACING SYSTEMS PRIMARILY FOR PIPES AND TANKS, AND SYSTEM COMPONENTS-NAMELY, ELECTRICAL HEATING STRIPS, END SEALS, BRIDGING, CONNECTORS, CONDUIT/CONNECTORS, JUMPERS, INSULATING SEALANT, INSULATING COVERS, BULB CLAMPS, JUMPER SPLICERS, JUMPER DISCONNECTORS
Housewares and Glass