APTL ACOUSTIC PRODUCTS TEST LABORATORY

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REPAIR AND MAINTENANCE OF MEASURING AND TESTING APPARATUS AND INSTRUMENTS OF OTHERS, NAMELY, VERNIER CALIPERS, MICROMETERS, HEIGHT GAUGES, DIAL GAUGES FOR MEASURING FLATNESS AND HEIGHT DISPLACEMENT, VOLTMETERS, AMMETERS, OHMMETERS, WATTMETERS, MULTIMETERS, NOISE METERS, TEMPERATURE SENSORS FOR ELECTRIC SOLDERING IRONS, BALANCES, SCALES, GRAVIMETERS, PRESSURE GAUGES AND SOUND WAVE ANALYZERS

INSPECTION AND CALIBRATION OF THE ACCURACY OF MEASURING AND TESTING APPARATUS AND INSTRUMENTS OF OTHERS, NAMELY, VERNIER CALIPERS, MICROMETERS, HEIGHT GAUGES, DIAL GAUGES FOR MEASURING FLATNESS AND HEIGHT DISPLACEMENT, VOLTMETERS, AMMETERS, OHMMETERS, WATTMETERS, MULTIMETERS, NOISE METERS, TEMPERATURE SENSORS FOR ELECTRIC SOLDERING IRONS, BALANCES, SCALES, GRAVIMETERS, PRESSURE GAUGES AND SOUND WAVE ANALYZERS; ISSUING REPORTS AND CERTIFICATES RELATING TO SUCH INSPECTION AND CALIBRATION OF THE ACCURACY OF THE AFORESAID APPARATUS AND INSTRUMENTS; AND PROVIDING INFORMATION IN THE FIELD OF INSPECTION AND CALIBRATION OF MEASURING AND TESTING INSTRUMENTS AND APPARATUS