2010JJF 1233-2010 Calibration Specification for Gear Dual-flank Meshing Measuring Instrument
1981JJG 94-1981 Verification Regulation of Dual-Flank Gear Rolling Tester
JJG 94-1981 Verification Regulation of Dual-Flank Gear Rolling Tester was changed to JJF 1233-2010 Calibration Specification for Gear Dual-flank Meshing Measuring Instrument.