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Aluminium alloys. Measuring hydrogen content non-solid metal by solid extraction method
Document status: Replaced by GOST 21132.1-98
United power system and isolated power systems. Relay protection and automation. Automatic emergency control of electric power systems. Automatic devices for limiting voltage reduction. Norms and requirements
Document status: Active
Paint coatings for electric locomotives of 1520 mm gauge main line railways. Specifications
Document status: Replaced by GOST 31365-2008