
Revision Of Iso 7 Pressure Threads Where Pressure-tight Joints Are Made On The Threads - Part 1:1982 Designation, Dimensions And Tolerances
出版:British Standards Institution

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Revision Of Iso 7 Pressure Threads Where Pressure-tight Joints Are Made On The Threads - Part 1:1982 Designation, Dimensions And Tolerances
出版:British Standards Institution
專家解讀視頻