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3.5mm audio plug with built-in lighting source 专利
专利号: GB2502851B, 申请日期: 2015-11-25, 公开日期: 2015-11-25
作者:  HSIEN-CHENG YEN;  WEN-WEI LIN
收藏  |  浏览/下载:12/0  |  提交时间:2019/12/23
Nitride enhanced surface fuel cell pole plate, has titanium alloy plate basal body comprising two side surfaces orderly formed with nitride layer, chromium nitride thin film and base nano composite electric conduction film. 专利
申请日期: 2015-01-01, 公开日期: 2015-04-29
作者:  LIN G HAN Z WEI K
收藏  |  浏览/下载:3/0  |  提交时间:2019/12/09


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