
En 10216-3 Seamless Steel Tubes For Pressure Purposes - Technical Delivery Conditions - Part 3: Non-alloy And Alloy Fine Grain Steel Tubes
出版:British Standards Institution

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En 10216-3 Seamless Steel Tubes For Pressure Purposes - Technical Delivery Conditions - Part 3: Non-alloy And Alloy Fine Grain Steel Tubes
出版:British Standards Institution
專家解讀視頻