| 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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RD РД БГЕИ 36-01Occupational safety requirements for operation … |
KKLD 4-4-17-7903Oil Spills Prevention and Response Plan |
KKLD TSN 12-303-03 KHKKhk Issuing Construction and Assembly Permits |