GOST 25346-1989 Basic norms of interchangeability. Unified system of tolerances and fits. General, series of tolerances and fundamental deviations*, 1989-04-19 Update
GOST 25347-1982 Basic norms of interchangeability. Unified system of tolerances and fits. Tolerance zones and recommendalle fits*, 1982-04-19 Update
GOST 2789-1973 Surface roughness. Parameters and characteristics
GOST 3647-1980 Abrasives. Grain sizing. Graininess and fractions. Test methods*, 1980-04-19 Update
GOST 23663-1979 history
1979GOST 23663-1979 Printed circuit boards. Mechanical surface stripping. Requirements for standard technological processes