This standard specifies the design and dimensions of movable flat clamps for machine tools
GOST 12937-1967 Referenced Document
GOST 9.073-1977 Unified system of protection against corrosion and aging. Metallic and non-metallic inorganic coatings. Types, thickness rows and designations
GOST 12937-1967 history
1967GOST 12937-1967 Moveable flat grippers for machine retaining devices. Design and dimensions