Russian standards PDF

Steel butt welded flanges of vessels and apparatus. Design and dimensions

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Steel butt welded flanges of vessels and apparatus for gasket of octangular section. Design and dimensions

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Flanges of vessels and apparatus. Technical requirements

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Flanges of vessels and apparatus. Non-metal gaskets. Design and dimensions. Technical requirements

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Flanges of vessels and apparatus. Metal jacketed gaskets. Design and dimensions. Technical requirements

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Flanges of vessels and apparatus. Metal octangular gaskets. Design and dimensions. Technical requirements

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