Lingyun Qian

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Patents

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孙朝阳,李广东,钱凌云,蔡贇,李昕童,苏泽兴,朱南洋.一种筋板类构件双侧变通道强塑变挤压方法及成形模具. 中国发明专利,专利号:ZL201810224019.2

Release time:2022-04-05 Hits:

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