System of Design Documents for Construction. Symbols for Presentation of Pipelines.
Система проектной документации для строительства. Условные обозначения трубопроводов. |
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MinNR 788On approval of the procedure for issuing and … |
GOST 15150-69Machinery, instruments, and other technical … |
SP 14.13330.2011Construction in Seismic Areas Updated Version … |