73300919
Mar 13, 1981
Sep 13, 1983
Electrical Equipment Test Instruments-Namely, Tone Signaling Analyzers, Impedance Measuring Test Sets; Optical Attenuation Test Sets; Programmable Frequency Synthesizers; Signaling Sender Test Sets; Transmission and Voice Test Sets; Dual Tone Multi-Frequency/Multi-Frequency Sender Test Sets; Signal Generators; and Transmission Test Lines
Electrical and Scientific Apparatus