| System of Design Documents for Construction. Symbols for Presentation of Pipelines.
Система проектной документации для строительства. Условные обозначения трубопроводов. |
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FZ 123Federal Law of July 22, 2008 N 123-FZ. … |
NPB ППБО-85Fire safety rules in the oil industry. |
GOST 8510-86Hot-rolled steel unequal-leg angles. Dimensions. |