VOLT METERS, AMMETERS, OHMETERS, WATTMETERS, FREQUENCY METERS, TIME METERS, DIGITAL MULTIMETERS, DIGITAL PANEL METERS AND TEMPERATURE METERS, SHUNTS, TRANSFORMERS, RECORDERS, TIMERS, AND COMPONENT PARTS THEREOF

SERVICES TO MANUFACTURERS OF ELECTRONIC PARTS AND APPARATUS-NAMELY, REPAIR, CALIBRATION, MAINTENANCE AND MODIFICATION OF ELECTRONIC METERS AND TEST EQUIPMENT FOR TESTING ELECTRONIC PARTS AND APPARATUS