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浏览/检索结果: 共4条，第1-4条 帮助 限定条件 内容类型：专利     已选(0)清除 条数/页：5101520253035404550556065707580859095100   排序方式：请选择作者升序作者降序题名升序题名降序发表日期升序发表日期降序提交时间升序提交时间降序 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