73108230
Dec 1, 1976
May 9, 1978
ELECTRONIC AND OPTICAL EQUIPMENT-NAMELY, OPTIONAL EMITTERS, OPTICAL DETECTORS, OPTICAL CONNECTORS, FIBER OPTIC CABLE ASSEMBLIES, ELECTRONIC MODULATORS AND DRIVERS FOR OPTICAL EMITTERS, ELECTRONIC PREAMPLIFIERS FOR OPTICAL DETECTORS, ELECTRO-OPTICAL TRANSMITTERS AND RECEIVERS AND COMPONENTS THEREOF, FOR INFORMATION ON GATHERING AND EXCHANGE VIA THE MEDIUM OF OPTICAL FIBERS
Electrical and Scientific Apparatus