GOST R 8.904-2015 State system for ensuring the uniformity of measurements. Metallic materials. Instrumented indentation test for hardness and materials parameters. Part 2. Verification and calibration of testing machines
GOST R 8.748-2011 State system for ensuring the uniformity of measurements. Metallic materials. Instrumented indentation test for hardness and materials parameters. Part 1. Test method
2015GOST R 8.904-2015 State system for ensuring the uniformity of measurements. Metallic materials. Instrumented indentation test for hardness and materials parameters. Part 2. Verification and calibration of testing machines