
Specification For Pipe Threads For Tubes And Fittings Where Pressure-Tight Joints Are Not Made On The Threads (Metric Dimensions)
出版:British Standards Institution

專家解讀視頻
Specification For Pipe Threads For Tubes And Fittings Where Pressure-Tight Joints Are Not Made On The Threads (Metric Dimensions)
出版:British Standards Institution
專家解讀視頻