GOST 8.516-1984 State system for ensuring the uniformity of measurments. State verification schedule for means of metal hardness testing on Shore scale D
2001GOST 8.516-2001 State system for ensuring the uniformity of measurements. State verification schedule for means measuring hardness of metals according on Shore D hardness scale
1984GOST 8.516-1984 State system for ensuring the uniformity of measurments. State verification schedule for means of metal hardness testing on Shore scale D