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| Catheter or guide wire manipulating device for vascular intervention 专利 专利号: US9731096B2, 申请日期: 2017-01-01, 作者: Bian Gui-Bin ; Hou Zeng-Guang ; Xie Xiao-Liang ; Cheng Long ; Tan Min![](/image/person.jpg)
![](/themes/default/image/downing1.png) 收藏  |  浏览/下载:18/0  |  提交时间:2019/04/24 |
| Boron-nitrogen doped chitosan-based activated carbon, having a specific surface area and pore size distribution, comprises chitosan and boric acid as raw materials. 专利 申请日期: 2013-01-01, 公开日期: 2013-03-06 作者: QIU J CHENG X XIAO N YU C LING Z ZH
![](/themes/default/image/downing1.png) 收藏  |  浏览/下载:6/0  |  提交时间:2019/12/13 |
| Nitrogen-doped activated carbon is obtained using chitosan as raw material, and has specific nitrogen content, specific surface area and aperture. 专利 申请日期: 2013-01-01, 公开日期: 2013-03-06 作者: CHENG X QIU J YU C ZHANG M LING Z X
![](/themes/default/image/downing1.png) 收藏  |  浏览/下载:3/0  |  提交时间:2019/12/13 |
| Calcium permanent magnetic ferrite material and preparation method thereof 专利 申请日期: 2012-01-01, 作者: DERU ZHU; ZHENG RUAN; CHUNHAO CHENG; SHIXING QIU; FENG HU
![](/themes/default/image/downing1.png) 收藏  |  浏览/下载:11/0  |  提交时间:2019/04/19 |
| Calcium permanent magnetic ferrite material and preparation method thereof 专利 申请日期: 2010-01-01, 作者: DERU ZHU; ZHENG RUAN; CHUNHAO CHENG; SHIXING QIU; FENG HU
![](/themes/default/image/downing1.png) 收藏  |  浏览/下载:13/0  |  提交时间:2019/04/19 |
| 單量子阱II-VI無覆層激光二極管 专利 专利号: HK1008125A, 申请日期: 1999-04-30, 公开日期: 1999-04-30 作者: HWA CHENG; JAMES M DEPUYDT; MICHAEL A HAASE; JUN QIU
![](/themes/default/image/downing1.png) 收藏  |  浏览/下载:10/0  |  提交时间:2020/01/18 |
| 藍-綠激光二極管 专利 专利号: HK1001353A, 申请日期: 1998-06-12, 公开日期: 1998-06-12 作者: MICHAEL, A HAASE; HWA CHENG; JAMES M. DEPUYDT; JUN QIU
![](/themes/default/image/downing1.png) 收藏  |  浏览/下载:23/0  |  提交时间:2020/01/18 |
| Blue-green laser diode 专利 专利号: US5513199, 申请日期: 1996-04-30, 公开日期: 1996-04-30 作者: HAASE, MICHAEL A.; DEPUYDT, JAMES M.; CHENG, HWA; QIU, JUN
![](/themes/default/image/downing1.png) 收藏  |  浏览/下载:3/0  |  提交时间:2020/01/18 |
| Single quantum well ii-vi laser diode without cladding 专利 专利号: EP0641494A1, 申请日期: 1995-03-08, 公开日期: 1995-03-08 作者: CHENG, HWA; DEPUYDT, JAMES, M.; HAASE, MICHAEL, A.; QIU, JUN
![](/themes/default/image/downing1.png) 收藏  |  浏览/下载:16/0  |  提交时间:2019/12/31 |
| Blue-green laser diode 专利 专利号: US5291507, 申请日期: 1994-03-01, 公开日期: 1994-03-01 作者: HAASE, MICHAEL A.; CHENG, HWA; DEPUYDT, JAMES M.; QIU, JUN
![](/themes/default/image/downing1.png) 收藏  |  浏览/下载:12/0  |  提交时间:2019/12/26 |