System of Design Documents for Construction. Symbols for Presentation of Pipelines.
Система проектной документации для строительства. Условные обозначения трубопроводов. |
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SakhalinAD Положение N 130-па от 29.10.2002Sakhalin Oblast Administration Resolution N … |
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MISC Resolution 18-43 Of April 29, 1998Regarding “the Mandatory Certification of … |
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MinInd 117On the certification of chemical products used … |