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National Technical Committee 334 on Earth-movingM
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National Technical Committee 334 on Earth-movingM
Revision of standard
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• The completion of the GB and JB standard preparation and revision project of earthmoving machinery
最新GB和JB制修订的标准项目
2018/12/28
• participation in the ISO international standards project in 2018
标准制修订
2018/10/22
• 2018 earthmoving machinery standard project application status
最新GB和JB制修订的标准项目
2018/10/22
• 2018 earthmoving machinery standard preparation and revision project development plan
最新GB和JB制修订的标准项目
2018/10/22
• Approval of standard earthmoving machinery project in 2018
标准制修订
2018/10/22
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