GOST 8820-1969 Grinding stone exit grooves. Shape and sizes*, 1969-04-19 Update
GOST 9.073-1977 Unified system of protection against corrosion and aging. Metallic and non-metallic inorganic coatings. Types, thickness rows and designations
GOST 13785-1968 history
2014GOST 32832.4-2014 Arbors with 7:24 taper for shell cutters without automatic tool changers. Part 4. Dimensions and symbol
1968GOST 13785-1968 Arbors with tapered shank 7:24 and face keys for shell face cutters. Design and dimensions
GOST 13785-1968 Arbors with tapered shank 7:24 and face keys for shell face cutters. Design and dimensions was changed to GOST 32832.4-2014 Arbors with 7:24 taper for shell cutters without automatic tool changers. Part 4. Dimensions and symbol.