72458072
May 21, 1973
Dec 24, 1974
ELECTRONIC MEASURING UNIT, COMPRISING A COMBINED AC AND DC VOLT METER, FREQUENCY METER AND COUNTER, OHM METER, DC POWER METER, SINE WAVE, SQUARE WAVE AND PULSE GENERATOR
Electrical and Scientific ApparatusELECTRONIC MEASURING UNIT, COMPRISING A COMBINED AC AND DC VOLT METER, FREQUENCY METER AND COUNTER, OHM METER, DC POWERMETER, SINE WAVE, SQUARE WAVE AND PULSE GENERATOR
Fancy Goods