73057606
Jul 14, 1975
Aug 29, 1978
ELECTRICAL EQUIPMENT-NAMELY, AUTOTRANSFORMERS, CONNECTORS, BUS BARS, COILS, SUPPORTS, ELEMENTS, STRAPS, LEADS, LOAD INDICATORS, LUGS, CONTACTORS, PYROMETERS, SLEEVING, TERMINAL COVERS, CONTROLLERS FOR HEATERS, THERMOCOUPLES AND THERMOSTATS
Electrical and Scientific ApparatusHEATING APPARATUS-NAMELY, BAND HEATERS, CARTRIDGE HEATERS, CAST ALUMINUM HEATERS, CERAMIC HEATERS, DRUM HEATERS, HOT PLATES, IMMERSION HEATERS, QUARTZ HEATERS, RADIANT HEATERS, STRIP HEATERS, TUBULAR HEATERS, AND PARTS FOR HEATERS
Environmental Control Apparatus