本实用新型涉及一种与GNJ - 50、250、500型扭矩校准仪配套的，用于检定各种扭力扳手的计量标准装置。
The utility model relates to a measuring standard device which is matched with GNJ-50, 250 and 500 type torque calibration instruments and used for checking various torque spanners.
本实用新型涉及一种与GNJ - 50、250、500型扭矩校准仪配套的，用于检定各种扭力扳手的计量标准装置。
The utility model relates to a measuring standard device which is matched with GNJ-50, 250 and 500 type torque calibration instruments and used for checking various torque spanners.
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