Russian standards PDF
Pipeline fittings. Electrical connectors for motor actuators of nuclear power stations. General technical specifications
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Pipeline fittings. Studs, bolts, nuts and washers for pipeline fittings. Technical requirements
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Pipeline fittings. Welding of fittings to pipeline. Technical requirements
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Pipeline fittings. Steel castings. General technical specifications
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Pipeline fittings. Quality control program for fittings of the nuclear power stations
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