
En Iso 15614-8 Specification And Approval Of Welding Procedures For Metallic Materials - Welding Procedure Test - Part 8: Welding Of Tubes To Tube - Plate Joints
出版:British Standards Institution

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En Iso 15614-8 Specification And Approval Of Welding Procedures For Metallic Materials - Welding Procedure Test - Part 8: Welding Of Tubes To Tube - Plate Joints
出版:British Standards Institution
专家解读视频