| Unified Systems of Design Documentation. Standard graphic symbols. Pipeline valves and fittings
Единая система конструкторской документации. Обозначения условные графические. Арматура трубопроводная |
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OST ОСТ 26.260.18-2004Process modules for oil and gas industry. … |
MinTran PR CSAT 01-95Regarding the certification system for air … |
MISC London International Convention 1990London International Convention 1990 Oil … |