hgundas 发表于 2020-4-20 04:02:46

ISO 683-1:2016 Heat-treatable steels, alloy steels and free-cutting steels —



ISO 683-1:2016
Heat-treatable steels, alloy steels and
free-cutting steels —
Part 1:
Non-alloy steels for quenching and
tempering·

admin 发表于 2020-4-25 23:20:24

谢谢您的分享，金币已奖励!

yuhetingquan 发表于 2020-9-8 10:36:33

多谢分享！很好的资料！:)

wonderfuldeer 发表于 2023-8-25 08:39:48

感謝大大分享好資料:lol:lol
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