
Austenitic, Austenitic-ferritic And Ferritic Longitudinally Welded Stainless Steel Tubes For The Food And Chemical Industry
出版:German Institute for Standardisation (Deutsches Institut für Normung)

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Austenitic, Austenitic-ferritic And Ferritic Longitudinally Welded Stainless Steel Tubes For The Food And Chemical Industry
出版:German Institute for Standardisation (Deutsches Institut für Normung)
專家解讀視頻