GOST 8820-1969 Grinding stone exit grooves. Shape and sizes
GOST 9.073-1977 Unified system of protection against corrosion and aging. Metallic and non-metallic inorganic coatings. Types, thickness rows and designations
GOST 18071-1972 history
1972GOST 18071-1972 Changeable arbors for the straigh fixing of cutters for turret automatics. Design and dimensions