73412384
Feb 4, 1983
Feb 12, 1985
Telecommunications Test Sets; Telecommunication Transmission Data Analyzers for Measuring Frequency, Character and Distribution of Errors Occurring in Transmitting and Multiplexing Data; Digital Test Apparatus for Dynamic and Functional Testing of Integrated Circuits; Telecommunications Operational Equipment-Namely, Digital Multiplexers, Transmitters and Receivers, Data Word Generators, and Bit Error Rate Detectors
Electrical and Scientific Apparatus