
Destructive Tests On Welds In Metallic Materials - Hardness Testing - Part 1: Hardness Test On Arc Welded Joints
出版:Osterreichisches Normungsinstitut

专家解读视频
Destructive Tests On Welds In Metallic Materials - Hardness Testing - Part 1: Hardness Test On Arc Welded Joints
出版:Osterreichisches Normungsinstitut
专家解读视频