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발명의 명칭 유도등이 부착된 자전거 专利
专利号: KR101240614B1, 申请日期: 2013-02-27, 公开日期: 2013-03-06
作者:  JIN, HONG KYU
收藏  |  浏览/下载:12/0  |  提交时间:2019/12/23
Intelligent vision tester 专利
申请日期: 2013-01-01,
作者:  HONG XINHAI;  SHI JIN;  ZHU ZEJI;  JU WEI;  CHEN HAO
收藏  |  浏览/下载:8/0  |  提交时间:2019/04/19
Floating polishing head, has lower and upper covers whose convex spherical surface is connected with concave spherical surface and overlapped with double-spherical bearing structure and swing point, which is center point of convex surface. 专利
申请日期: 2013-01-01, 公开日期: 2013-07-17
作者:  DAI H JIN Z ZHANG B HONG N GU C
收藏  |  浏览/下载:1/0  |  提交时间:2019/12/13


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