GOST 14140-1981 Basic norms of interchangeability. Position tolerances of bore axes for fasteners
GOST 15150-1969 Machines, instruments and other industrial products. Modifications for different climatic regions. Categories, operating, storage and transportation conditions as to environment climatic aspects influence
GOST 24643-1981 Basic norms of interchangeability. Tolerances of form and position of surfaces. Numerical values
GOST 25346-1982 Unified system of admissions and landings. General provisions, series of tolerances and main deviations
GOST 25570-1982 history
1982GOST 25570-1982 Hatch covrs of tank for petroleum products. Types, main parameters and dimensions