infra-red sound transmitting and sound receiving devices for multichannel sound transmission systems, in particular for electronic tour guide systems and simultaneous interpretation systems

Heating apparatus, namely, radiant heaters and electric space heaters; electric blankets for non-medical use; electrically heated carpets; electric space heaters for feet; saunas; heating pillows for non-medical use

BATTERY CHARGERS, SAFETY AND EMERGENCY LIGHT INSTALLATIONS, RECTIFIERS, DC-TO-AC CONVERTERS, AND ELECTRICAL AND ELECTRONIC CONTROLLERS FOR INDUSTRIAL APPLICATIONS