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Positive material identification of the main and welding materials and finished goods
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Standard instruction for metering electricity in its production, transmission and distribution
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Technological design standards. Urban and rural telephone networks (NTP 112-2000)
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Safety valves. Selection, installation and calculation
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Guidelines on the protection of 6-1150 kV electrical circuits against lightning and internal overvoltages. All 3 parts
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Order of using welding equipment for manufacture, assembly, repair and reconstruction of production devices for hazardous industrial facilities (Regulation No. 102 of 19.06.03 of the State Mine Engineering Inspectorate (Gosgortekhnadzor) of the Russian Federation
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