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GOST 22646 77th Edition, August...
GOST 411 1977 Edition, July 8, 1977...
GOST 12391 1977 Edition, September 30, 1977 Panel board flexible shafts for vehicle. Specifications
GOST 22720.1 1977 Edition, September 29, 1977 "Rare metals and their alloys. Method for the determination of oxygen, hydrogen, nitrogen, carbon"
GOST 22720.3 1977 Edition, September 29, 1977 Rare metals and their alloys. Method for the determination of carbon
GOST 22720.0 1977 Edition, September 29, 1977 "Rare metals and their alloys. General requirements for the methods of determination of oxygen, hydrogen, nitrogen and carbon"
GOST 22720.4 1977 Edition, September 29, 1977 Rare metals and their alloys. Method for the determination of nitrogen
GOST 2184 77th Edition, September 29, 1977 Sulphuric acid for industrial use. Specifications
GOST 2084 1977 Edition, September 29, 1977 MOTOR PETROLS Specifications
GOST 12697.3 1977 Edition, September 27, 1977 Aluminium. Methods for the determination of manganese
GOST 12697.1 1977 Edition, September 27, 1977 Aluminium. Methods for determination of vanadium
GOST 12697.5 1977 Edition, September 27, 1977 Aluminium. Method for determination of chromium
GOST 12697.12 1977 Edition, September 27, 1977 Aluminium. Methods for determination of arsenic
GOST 12697.9 1977 Edition, September 27, 1977 Aluminium. Methods for determination of zinc