Pressure pipe of non-plasticized polyvinylchloride. Specifications
Трубы напорные из непластифицированного поливинилхлорида Технические условия |
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GGTN Resolution 59 of 10 06 00Approval and enactment of Amendment 1 to the … |
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SNiP 12-03-2001Occupational safety in construction. Part 1. … |
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