Russian standards

Pipeline fittings. Warranty service. The order and organization

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Pipeline fittings. Rolled steel forgings, pressworks and fabricated parts. Technical requirements

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Pipeline fittings. Metals used in production of fittings. Part 3. Foreign materials and their domestic equivalents

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Pipeline fittings. Ball seals. Design, basic dimensions and specifications

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Pipeline fittings. Dust-proof-and-moisture-proof sealings. Design, dimensions and specifications

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Pipeline fittings. Connection unit of disk with disk holder for pressure relieve valve. Design, dimensions and specifications

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