Photoelectric sensors; pressure sensors; pressure indicators; frequency converters; electric control devices for heating and energy management; electrical controlling devices; data processing apparatus; electric control panels; technical measuring, testing and checking apparatus and instruments for measuring, testing and checking the temperature, pressure, quantity and concentration of gas and liquids; gas testing instruments; pressure measuring apparatus; surveying machines and instruments; ...

door access control systems consisting of electronic card readers, remote transmitters and receivers, control computers and computer peripherals

Photographic Film Handling Apparatus and System Components-Namely, Film Rewinding Units, Motion Picture Film Transport Units, Film Projector Lamp Dimmer Controls, Photographic Film Projector Lamps, and Photographic Lamp Housings Therefor, Photographic Film Projector Apparatus for Sound and Visual Presentations

Photographic Projectors, Photographic Film Handling Apparatus

Microfiche Containing Compilations of Catalogues and Advertising Materials from Manufacturers of Contract Furnishings

PROJECTION LAMPS AND COMPONENTS THEREOF, INCLUDING RECTIFIERS, LAMP HOUSINGS, AND MIRRORS FOR SAME