Integrated electrostatic collection and microwave sterilization
Integrated multi-function lamp for providing light and purificat
Integrated suction hood featuring air depollution
Intensification of photographic silver images by physical develo
Interference film photography
Interimage effects with spontaneously developable silver halide
Interlayer enhancement of interimage effects
Interlock between cells of an electronic air cleaner
Internal latent image silver halide emulsion containing a hetero
Intra packet film processing method and apparatus
Ion emitting air-conditioning devices with electrode...
Ion generating apparatus, air conditioning apparatus, and...
Ion generation structure in environmental systems
Ion injector for air handling systems
Ionic air conditioning system
Ionization detector for electrically enhanced air filtration...
Ionization filter for purifying air
Ionizer and use thereof in an exhaust gas purifying system...
Ionizer mounting structure for a vehicle air conditioning...
Ionizer with parts-extension unit