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Phosphor-converted LED devices having improved light distribution uniformity 专利
专利号: GB2466892B, 申请日期: 2011-02-23, 公开日期: 2011-02-23
作者:  SU LIN OON;  HONG HUAT YEOH;  SIEW IT PANG;  MENG EE LEE;  KIAN SHIN LEE
收藏  |  浏览/下载:13/0  |  提交时间:2019/12/24
Phosphor-converted LED devices having improved light distribution uniformity 专利
专利号: GB2466892B, 申请日期: 2011-02-23, 公开日期: 2011-02-23
作者:  SU LIN OON;  HONG HUAT YEOH;  SIEW IT PANG;  MENG EE LEE;  KIAN SHIN LEE
收藏  |  浏览/下载:9/0  |  提交时间:2019/12/24
Method for preparing high specific surface area grade porous active carbon material, involves utilizing shell carbonized material carrier silicon dioxide as activating agent. 专利
申请日期: 2011-01-01, 公开日期: 2011-12-14
作者:  LI W LU A
收藏  |  浏览/下载:1/0  |  提交时间:2019/12/18


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