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National Technical Committee 334 on Earth-movingM
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National Technical Committee 334 on Earth-movingM
Standard announcement
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• announcement of 2018 national standards for earthmoving machinery
发布公告
2019/01/02
• Announcement of approval of national standard project for earthmoving machinery in 2018
发布公告
2018/12/12
• 2018 earthmoving machinery industry standard announcement
发布公告
2018/10/12
• Announcement of approval of earthmoving machinery industry standard project in 2018
发布公告
2018/10/11
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