GOST 1435-1999 Bars, strips and reels of tool unalloyed steel. General specifications*, 1999-04-19 Update
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 18242-1972 Acceptance statistical inspection by attributes. Inspection plans
GOST 18321-1973 Statistical quality control. Item random sampling methods