标题: BS ISO 866-2016 Centre drills for centre holes without protecting chamfers — [打印本页] 作者: binyew 时间: 2019-8-19 08:15:55 标题: BS ISO 866-2016 Centre drills for centre holes without protecting chamfers —
本帖最后由 binyew 于 2019-8-20 08:20 编辑
BS ISO 00866-2016 Centre drills for centre holes without protecting chamfers — Type A 作者: admin 时间: 2019-8-20 10:43:48