2004JJF 1113-2004 Calibration Specification of Angle Measuring Instrument for Bearing Ring
1992JJG 783-1992 Verification Regulation of Angle Measuring Instrument for Bearing Ring
JJG 783-1992 Verification Regulation of Angle Measuring Instrument for Bearing Ring was changed to JJF 1113-2004 Calibration Specification of Angle Measuring Instrument for Bearing Ring.