Guidelines for manufacturing, installation, and testing of process pipelines with maximum nominal pressure of 10 MPa
Инструкция по изготовлению, монтажу и испытанию технологических трубопроводов условным давлением до 10 МПа |
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GOST 12.3.009-76SSBT. Occupational Safety Standards System. … |
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GOST 18620-86Electrotechnical articles. Marking. |
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GD 444Federal Energy Commission issues |