risak123 发表于 2017-3-13 09:25:14

求ISO 10424-1:2004

本帖最后由 xifeng1115 于 2017-3-14 21:38 编辑

求ISO 10424-1:2004 或 BS EN ISO 10424-1:2004

liuxilin1215 发表于 2017-3-13 09:25:15

BS EN ISO 10424-1-2004 (2009) Petroleum and natural gas industries — Rotary drilling equipment — Part 1: Rotary drill stem elements

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