Battery chargers; Cables for the transmission of sounds and images; Electric light switches; Microphone cables; Power adapters; Sound amplifiers

Gyrometers; Spyglasses; Electric light switches; Electron tubes; Electronic semi-conductors; Erasing magnets; High frequency switches; Pince-nez cords; Public telephones; Sound amplifiers; Tape recorders; Television apparatus for projection purposes; TV monitors; Voltage stabilizing power supply; Welding masks