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| Design method of reducing spindle-impeller assembly stress and spindle bending deformation, involves selecting best match with spindle-impeller ring groove shape and size from contact pressure and transmission of friction torque. 专利 申请日期: 2018-01-01, 公开日期: 2018-02-16 作者: BAO C GUO F LIU X MA G WANG X WU C 收藏  |  浏览/下载:12/0  |  提交时间:2019/12/02 |
| Gear change mechanism based on spherical motor drive 专利 申请日期: 2016-01-01, 作者: ZHANG BAO; LI YUANSHENG; GUO XIWEN 收藏  |  浏览/下载:2/0  |  提交时间:2019/04/19 |
| Preparation of N-2-quinolyl aryl sulfonamide for preparing medicine, involves reacting arylsulfonamide and quinoline derivative in presence of trivalent compound and triarylphosphine compound as additive in organic solvent. 专利 申请日期: 2015-01-01, 公开日期: 2015-03-25 作者: BAO M FENG X GUO M YU X ZHANG Y 收藏  |  浏览/下载:2/0  |  提交时间:2019/12/09 |
| Device for processing inner wall of small diameter vertical hole, has detachable holding frame sleeved with cutter synchronous wheel through micro-elastic thread conical wedge sleeve, and detachable holder connected with synchronous wheel. 专利 申请日期: 2013-01-01, 公开日期: 2013-09-25 作者: LEI J BAO Y ZHANG S GAO H GUO D 收藏  |  浏览/下载:7/0  |  提交时间:2019/12/13 |
| Manual hole-forming outlet speed reducing method for carbon fiber composite material, involves compressing compression spring with increasing depth of borehole to provide hole-forming resistance. 专利 申请日期: 2010-01-01, 公开日期: 2010-01-20 作者: BAO Y GAO H GUO D ZHANG X 收藏  |  浏览/下载:4/0  |  提交时间:2019/12/24 |