Steel wire for mechanical springs - oil hardened and tempered spring steel wire 機(jī)械彈簧鋼絲.油硬化和回火的彈簧鋼絲
Steel wire for mechanical springs - part 2 : oil hardened and tempered spring steel wire 機(jī)械彈簧用鋼絲.第2部分:油淬火和回火彈簧鋼絲
Steel wire for mechanical springs - part 2 : oil hardened and tempered spring steel wire ; german version en 10270 - 2 : 2001 機(jī)械彈簧鋼絲.第2部分:油淬火和回火彈簧鋼絲