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Ship deck rail wall support for sea target direction positioning operation device, has rotating shaft sleeve unit connected with aiming pole by rotating shaft, and number sleeve fixed on lengthening bar through bolt. 专利
申请日期: 2014-01-01, 公开日期: 2014-04-02
作者:  YU Y WANG Y JIN C LIN Y GUAN G
收藏  |  浏览/下载:5/0  |  提交时间:2019/12/11
Laser diode coupling and bias circuit and method 专利
专利号: US5706303, 申请日期: 1998-01-06, 公开日期: 1998-01-06
作者:  LAWRENCE, ZACHARY ANDREW
收藏  |  浏览/下载:5/0  |  提交时间:2019/12/24


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