
Assembled Joints Between Fittings And Polyethylene (Pe) Pressure Pipes - Test Of Leak-Proofness Under Internal Pressure When Subjected To Bending
出版:Danish Standards

專家解讀視頻
Assembled Joints Between Fittings And Polyethylene (Pe) Pressure Pipes - Test Of Leak-Proofness Under Internal Pressure When Subjected To Bending
出版:Danish Standards
專家解讀視頻