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