标准号:IS 3754-1967
发布日期:1968/2/1 12:00:00
实施日期:1999/12/31 12:00:00
适用范围:1.1 This standard prescribes method for calibration of standardized blocks to be used for indirect calibration of Rockwell B and C scale hard-ness testing machines.1.1.1 This standard does not apply to the calibration of test blocks which are used in the routine checking of testing machines.