7
Machinery
9
Electrical and Scientific Apparatus
9
[ SOUND RECORDING, TRANSCRIBING, AND REPRODUCING APPARATUS; ELECTRIC TALKING MACHINES; AND ] PHONOGRAPHS
11
RADIO AND TELEVISION RECEIVING SETS; RADIO AND TELEVISION TRANSMITTERS; [ SOUND AMPLIFYING AND TRANSMITTING APPARATUS; RADIO AND TELEVISION HEAD SETS AND EARPHONES; ] RADIO AND TELEVISION ANTENNAE; [ RADIO PHONOGRAPH COMBINATIONS; ] LOUDSPEAKERS; RADIO SIGNALLING APPARATUS; [ RADIO, TELEPHONE, AND TELEGRAPH RECEIVING AND TRANSMITTING APPARATUS; RADIO TRANSFORMERS; RADIO CONDENSERS; ] ELECTRONIC TUBES, ELECTRIC DISCHARGE TUBES; ELECTRIC LAMPS; FLUORESCENT LAMPS; ELECTRIC INCANDESCENT AND SEMI-INCANDESCENT LIGHT LAMPS; PHOTO-ELECTRIC CELLS; [ RADIO COMMUNICATION RECEIVERS AND TRANSMITTERS; ] TELEGRAPHIC AND TELEPHONE APPARATUS; [ ELECTRIC STORAGE BATTERIES; DRY CELL AND DRY BATTERIES; WELDING ELECTRODES FORMED OF CARBON, WELDING TRANSFORMERS; ELECTRIC SHORTWAVE AND ULTRA-SHORT WAVE RECEIVERS AND TRANSMITTERS; ] ELECTRICAL SIGNALLING AND ALARM APPARATUS; [ ELECTRIC INTERCOMMUNICATION AMPLIFIERS; ] ELECTRICAL CONNECTORS; [ ELECTRICAL CONTROL SWITCHES; ELECTRIC CURRENT RECTIFIERS; ] ELECTRIC [ SWITCHES, FUSES AND ] CONDENSERS; ELECTRIC RECTIFIERS; [ ELECTRIC FILTERS; ELECTRICAL WIRES AND CABLES; INSULATED ELECTRIC CONDUCTORS; ] ELECTRO-MAGNETIC RELAYS; [ HIGH-FREQUENCY INDUCTION APPARATUS; ELECTRIC HEATING ELEMENTS; ELECTRIC HEATING PADS; ] MICROPHONES; [ SOUND RECORDING WIRE; ] ELECTRIC RESISTORS; [ RHEOSTATS; ELECTRIC TRANSFORMERS; ] CATHODE RAY TUBES [ ; ELECTRIC SPACE DISCHARGE TUBES; RECTIFYING REGULATING AND SMOOTHING TUBES; AND ULTRA-VIOLET RAY LAMPS ]
11
[ ELECTRICAL WELDING MACHINES; WELDING HEADS; ELECTRIC WELDING TORCHES; ELECTRIC HEATERS; INDUCTIVE AND DIELECTRIC HEATING APPARATUS AND ELECTRIC WELDING GUNS ]