yjb_29 发表于 2014-9-22 14:26:52

DIN_EN_10132-4_EN

Cold-rolled narrow steel strip for heat treatment –
Technical delivery conditions
Part 4: Spring steels and other applications
(includes Corrigendum AC : 2002)
English version of DIN EN 10132-4 : 2000 + AC : 2002

admin 发表于 2014-9-23 10:53:08

谢谢您的分享,金币已奖励!

hmgongyong 发表于 2020-3-27 08:55:47

非常感谢分享好的资料
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