72406378
Oct 29, 1971
Nov 13, 1973
FUNCTION GENERATORS, PHASE METERS, MULTIMETERS (CONSTITUTING A COMBINATION OF VOLTMETERS, OHMMETERS AND FREQUENCY METERS), SWEEP GENERATORS, ATTENUATORS, DETECTORS AND AUDIO RESPONSE SYSTEMS FOR USE WITH COMPUTERS-NAMELY, TOUCH TONE TRANSMITTERS, RECEIVERS, CONCENTRATORS AND LOCAL AND REMOTE AUDIO RESPONSE SYSTEMS FOR USE WITH COMPUTERS TO TRANSMIT INFORMATION THROUGH TELEPHONE LINES, TRANSMISSION TEST SYSTEM FOR GENERATING AND DISPLAYING SIGNAL RESPONSE IN COMMUNICATIONS LINES
Fancy Goods