72362983
Jun 18, 1970
Apr 11, 1972
Active Trademark
SURFACE CONDENSERS; (( DOUBLE PIPE, )) PLATE-FIN, SHELL AND TUBE AND MULTI-TUBE HEAT EXCHANGERS; EXTENDED SURFACE HEAT EXCHANGERS OF THE UNFIRED PRESSURE VESSEL TYPE FOR INDUSTRIAL AND COMMERCIAL USES; (( TANK HEATERS; AND TANK SUCTION AND LINE TYPE HEATERS ))
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