21 [ ELECTRIC ROASTERS, ELECTRIC FRY PANS, ELECTRIC TOASTERS, ELECTRIC SADIRONS, ELECTRIC HOT PLATES, ELECTRIC FRANKFURTER COOKERS, ELECTRIC SAUCE PANS, ELECTRIC BLANKETS, ELECTRIC CHAFING DISHES, ELECTRIC GRIDDLES, DETACHABLE ELECTRICAL CONTROLS FOR ELECTRIC FRYING PANS AND SIMILAR COOKING DEVICES, ELECTRIC PERCOLATORS, ELECTRIC SANDWICH GRILLS, ELECTRIC FLOOR POLISHERS, ELECTRIC FLOOR SCRUBBERS, ELECTRIC FANS, ELECTRIC FOOD BLENDERS, ELECTRIC FOOD MIXERS, ELECTRIC GARBAGE DISPOSAL UNITS, ELECTRIC VACUUM CLEANERS, ELECTRICAL PORCELAIN, CAPACITOR BUSHINGS, ELECTRICAL INSULATORS, ELECTRIC LAMP BALLASTS, LUMINAIRES AND LIGHTING FIXTURES, SILICON SEMICONDUCTOR DEVICES-NAMELY, SIICON RECTIFIER CELLS, SILICON DIODES, SILICON TRANSISTORS AND SILICON CONTROLLED RECTIFIERS; ] ELECTRIC GENERATORS, [ ELECTRIC COILS FOR ELECTRIC APPARATUS, ] ELECTRIC MOTORS, [ ELECTRIC SWITCHES, ] ELECTRIC MOTOR STARTERS, [ ELECTRIC MOTOR GENERATOR SETS, ] [ ELECTRIC RESISTORS, ELECTRIC CONTROL PANELS, ELECTRIC RELAYS, ] [ ELECTRIC TRANSFORMERS, ELECTRIC REACTORS, ELECTRIC INSULATING BUSHINGS, ] [ELECTRIC SWITCHBOARDS, CIRCUIT BREAKERS, ] ELECTRIC MOTOR CONTROLLERS; [ ELECTRIC LAMPS AND LIGHT EMITTING DEVICES-NAMELY,ELECTRIC INCANDESCENT LAMPS, PROJECTING LAMPS, MINIATURE LAMPS, METALLIC VAPOR LAMPS, AUTOMOBILE LAMPS, FLUORESCENT LAMPS, STARTERS AND BALLASTS FOR FLUORESCENT LAMPS, RESIDENTIAL, COMMERCIAL, INDUSTRIAL, FLOOD, STREET AND AVIATION LIGHTING APPARATUS AND PARTS THEREFOR, REFLECTORS FOR ELECTRIC LAMPS; ] [ METAL-CLAD SWITCH GEAR, ELECTRIC FUSES, ] [ LIGHTING ARRESTERS, ] [ELECTRIC CAPACITORS, ] [ RADIO TRANSMITTER ][ AND ][ RECEIVER SETS INCLUDING PORTABLE RECEIVERS, TELEVISION RECEIVER SETS INCLUDING PORTABLE TYPES, ][ ELECTRIC BUS DUCTS ][, ELECTRIC CONDENSERS, ELECTRONIC TUBES FOR RADIO, TELEVISION, INDUSTRIAL AND OTHER PURPOSES INCLUDING RECEIVING, POWER AND CATHODE-RAY TUBES ]