GOST 8.281-2013 State system for ensuring the uniformity of measurements. Mechanical motion quantities measuring means for traction rolling stock. Verification procedure
2013GOST 8.281-2013 State system for ensuring the uniformity of measurements. Mechanical motion quantities measuring means for traction rolling stock. Verification procedure
1978GOST 8.281-1978 State system for ensuring the uniformity of measurements. Locomotive speedometers. Methods and means of calibration