rilytree 发表于 2013-11-28 08:19:59

ASTM E2428 2008.02.15 Standard Practice for Calibration of Torque-Measuring Inst

ASTM E2428 2008.02.15 Standard Practice for Calibration of Torque-Measuring Instruments for Verifying the Torque Indication of Torque Testing Machines
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