
Hardness Depth Of Heat-treated Parts; Determination Of The Effective Depth Of Hardening After Flame Or Induction Hardening
出版:German Institute for Standardisation (Deutsches Institut für Normung)

專家解讀視頻
Hardness Depth Of Heat-treated Parts; Determination Of The Effective Depth Of Hardening After Flame Or Induction Hardening
出版:German Institute for Standardisation (Deutsches Institut für Normung)
專家解讀視頻