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Preparation of polycrystalline silicon involves crumbling metallurgical grade silicon powder into powder after cleaning with alcohol, setting intermediate frequency induction coil, melting aluminum-silicon alloy and heating. 专利
申请日期: 2013-01-01, 公开日期: 2013-01-16
作者:  JIE J LI T WANG T CAO Z SUN J LU Y
收藏  |  浏览/下载:3/0  |  提交时间:2019/12/13
Vehicle navigation and anti-theft system 专利
申请日期: 2011-01-01,
作者:  JINZHOU PAN;  JIE CAO;  ZHENGYI ZHANG;  XIAONING CHEN;  SHICHENG YANG
收藏  |  浏览/下载:1/0  |  提交时间:2019/04/19
Operation platform for mounting aero-generator of intertidal belt, has supporting rods for supporting barge body equipped at two side edges of body, and supporting rod lift self-locking device allocated among rods and body. 专利
申请日期: 2009-01-01, 公开日期: 2009-04-08
作者:  CAO X GAO S JIE C TENG R WANG X YOU
收藏  |  浏览/下载:15/0  |  提交时间:2019/12/24


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