Lingyun Qian

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Patents

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钱凌云,李昕童,孙朝阳,苏泽兴,孙志辉,蔡贇.一种镁合金带筋筒形件强塑变挤压成形装置及方法. 中国发明专利,专利号:ZL201810287671.9

Release time:2022-04-05 Hits:

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