
En 10149 Hot-rolled Flat Products Made Of High Yield Strength Steels For Cold Forming - Part 1 General Delivery Conditions (pren 10149-1)
出版:British Standards Institution

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En 10149 Hot-rolled Flat Products Made Of High Yield Strength Steels For Cold Forming - Part 1 General Delivery Conditions (pren 10149-1)
出版:British Standards Institution
專家解讀視頻