73045179
Feb 26, 1975
Jul 12, 1977
[ CONTROLS FOR INDUSTRIAL ELECTRICAL HEATING ELEMENTS-NAMELY, ELECTRICAL HEATING FLEXIBLE TAPES AND RIGID BLANKETS, COLLARS, SEGMENTAL HOUSINGS AND PARTS THEREFOR ]
Electrical and Scientific ApparatusINDUSTRIAL ELECTRICAL HEATING ELEMENTS-NAMELY, ELECTRICAL HEATING FLEXIBLE TAPES AND RIBBONS, CABLE SETS, FLEXIBLE AND RIGID BLANKETS, COLLARS, SEGMENTAL HOUSINGS AND PARTS THEREFOR
Environmental Control Apparatus