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Composite material blade for helicopter numerical control machining device, has electric main shaft clamp fixed with main shaft, swinging support and rotating shaft support that is provided with limiting rotating shaft support around shaft. 专利
申请日期: 2013-01-01, 公开日期: 2013-11-13
作者:  DAI X GAO H JIA Z SONG W WANG B WEN
收藏  |  浏览/下载:3/0  |  提交时间:2019/12/13
FATTY MESENCHYMAL PROGENITOR CELL COMPLEX FOR TREATING UPPER RESPIRATORY TRACT ILLNESSES 专利
作者:  LIU, Jia;  CAO, Wei;  DAI, Chengxiang;  CAI, Songbai;  ZHENG, Chengxiao
收藏  |  浏览/下载:5/0  |  提交时间:2019/12/05


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