GOST 5950-2000 Tool alloy steel bars, strips and coils. General specifications*, 2024-04-19 Update
GOST 8.051-1981 State system for ensuring the uniformity measurements. Permissible errors of measurement of linear dimensions to 500 mm*, 1981-04-19 Update
GOST 9013-1959 Metals. Method of measuring Rockwell hardness*, 2024-04-19 Update
GOST 11906-1977 history
1977GOST 11906-1977 Spiral bevel and hypoid gear-shaping cutter heads. Specifications