
Steel Rod, Bars And Wire For Cold Heading And Cold Extrusion - Part 3: Technical Delivery Conditions For Case Hardening Steels
出版:Osterreichisches Normungsinstitut

專家解讀視頻
Steel Rod, Bars And Wire For Cold Heading And Cold Extrusion - Part 3: Technical Delivery Conditions For Case Hardening Steels
出版:Osterreichisches Normungsinstitut
專家解讀視頻