71513017
Nov 22, 1946
Apr 6, 1948
ELECTRICAL MEASURING INSTRUMENTS, SPECIFICALLY APPARATUS FOR DETERMINING THE VOLTAGE AT WHICH ELECTRICAL INSULATION BREAKS DOWN, INSTRUMENTS FOR MEASURING THE RESISTANCE OF ELECTRICAL GROUNDING CONNECTION TO THE EARTH, INSTRUMENTS FOR MEASURING THE ELECTRICAL RESISTANCE OF ELECTRICAL INSULATION, TACHOMETERS, AND PARTS SOLD FOR SUCH MEASURING INSTRUMENTS INCLUDING VOLTMETERS, AMMETERS, GALVANOMETERS, VIBRATORS, SWITCHES, POTENTIOMETERS, AND CURRENT TRANSFORMERS
Fancy Goods