hgundas 发表于 2020-4-20 04:00:47

ISO 683-3:2016 Heat-treatable steels, alloy steels and free-cutting steels —



ISO 683-3:2016
Heat-treatable steels, alloy steels and
free-cutting steels —
Part 3:
Case-hardening steels


admin 发表于 2020-4-25 23:19:39

谢谢您的分享，金币已奖励!

wonderfuldeer 发表于 2023-8-25 08:40:18

感謝大大分享好資料:lol:lol
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