Measuring and control devices for air conditioning technology; remote controls for air-conditioning apparatus

Resisters for use in air conditioning, heating and ventilating systems; air conditioning dampers, ventilating louvers, ventilation fan accessories, namely, grilles, for use in air conditioning, heating and ventilating systems; air terminal units in the nature of air cleaning and conditioning units for use in air conditioning, heating and ventilating systems

[ GRILLES, REGISTERS, DIFFUSERS, LOUVERS, AND ] DAMPERS FOR USE IN AIR CONDITIONING, HEATING AND VENTILATING SYSTEMS