73065604
Oct 10, 1975
May 30, 1978
AMMETERS, VOLTMETERS, OHMMETERS, SIGNAL GENERATORS, CATHODE RAY TUBE TESTERS AND REJUVENATORS, OSCILLOSCOPES, TUBE TESTERS, CURVE TRACERS, CAPACITOR TESTERS, RESPONSE CURVE INDICATORS, TELEVISION COLOR SIGNAL GENERATORS, POWER SUPPLIES, SURGE PROTECTORS, RESISTOR AND CAPACITOR SUBSTITUTION BOXES, TELEVISION RECEIVER PATTERN GENERATOR AND SIGNAL SUBSTITUTION APPARATUS TRANSISTOR TESTERS AND FREQUENCY COUNTERS
Electrical and Scientific Apparatus