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

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