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SN (СН) 527-80Designing Steel Process Pipelines with a Pressure Rating ?nom of up to 10 MPaИнструкция по проектированию технологических стальных трубопроводов Ру до 10 МПа |
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GTN (ГТН) 1993-32Regulations for the Construction and Safe Operation of Steam Boilers and Water Heaters |
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