
Testing of welded joints of thermoplastics semi-finished products - Part 1: Bend test; German and English version prEN 12814-1:2024
出版:German Institute for Standardisation (Deutsches Institut für Normung)

專家解讀視頻
Testing of welded joints of thermoplastics semi-finished products - Part 1: Bend test; German and English version prEN 12814-1:2024
出版:German Institute for Standardisation (Deutsches Institut für Normung)
專家解讀視頻