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Producing superparamagnetic or magnetic nanospheres protected with carbon, useful e.g. as catalyst particles in magnetic fluid, comprises coating nanospheres with organic polymer and with silica, subjecting to pyrolysis, removing silica. 专利
申请日期: 2012-01-01, 公开日期: 2012-05-10
作者:  SCHUETH F FEYEN M LU A LI W WANG G
收藏  |  浏览/下载:4/0  |  提交时间:2019/12/18
Part for positioning optical fiber 专利
专利号: EP1003055B1, 申请日期: 2005-12-28, 公开日期: 2005-12-28
作者:  KATSURA, HIROSHI, YOKOHAMA WORKS;  SAKURAI, WATARU, YOKOHAMA WORKS;  KAKII, TOSHIAKI, YOKOHAMA WORKS;  SHIBATA, MASAHIRO, YOKOHAMA WORKS
收藏  |  浏览/下载:13/0  |  提交时间:2019/12/24
Zinc oxide light emitting diode 专利
专利号: GB1454085A, 申请日期: 1976-10-27, 公开日期: 1976-10-27
作者:  -
收藏  |  浏览/下载:5/0  |  提交时间:2019/12/26


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