
Elastomeric Seals - Material Requirements For Joint Seals Used In Pipes And Fittings Carrying Gas And Hydrocarbon Fluids (pren 682)
出版:British Standards Institution

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Elastomeric Seals - Material Requirements For Joint Seals Used In Pipes And Fittings Carrying Gas And Hydrocarbon Fluids (pren 682)
出版:British Standards Institution
專家解讀視頻