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System of building design documents. Gas supply. Outside gas pipe-lines. Working drawings
Document status: Replaced by GOST 21.710-2021
Environmental conditions. Data about influence of vibration and shock effects on electrotechnical equipment. Part 2. Equipment transported in fixed wing jet aircraft
Document status: Active
Mining. Dynamic phenomena in coal mines. Terms and definitions
Document status: Active
Full-ration mixed feeding stuffs for beacon feeding of pigs. General specifications
Document status: Replaced by GOST 21055-2019