73170730
May 17, 1978
Apr 15, 1980
COMPUTERIZED ADVERTISING DISPLAYS, AUDIO VISUAL CLASSROOM TEACHING AIDS, PROJECTORS AND MAGNETIC TAPE PLAYERS, INDUSTRIAL POWER DEMAND CONTROLS, ELECTRONIC TELEPHONE SWITCHBOARDS, VEHICULAR ELECTRONIC FUEL CONTROLS, ELECTRONIC POWER SUPPLIES FOR OFFICE EQUIPMENT, MICROPROCESSORS AND COMPUTER TERMINALS
Electrical and Scientific Apparatus