cc523pate 发表于 2018-1-8 23:07:59

ISO 24497-3:2007 Non-destructive testing — Metal magnetic

ISO 24497-3:2007 Non-destructive testing — Metal magnetic
memory —
Part 3:
Inspection of welded joints


admin 发表于 2018-1-15 10:25:37

谢谢您的分享，金币已奖励!

hxlea 发表于 2018-5-23 23:03:26

谢谢您的分享，金币已奖励! 好标准
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