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浏览/检索结果: 共5条，第1-5条 帮助 限定条件 发表日期：2013    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 Multifunctional substrate polishing and burnishing device for polishing hard material e.g. silicon wafer, has spindle polishing unit and spindle burnishing unit which are dragged by traction rope and are in mutual counterweight. 专利 申请日期: 2013-01-01, 公开日期: 2013-07-25 作者:  KANG R ZHU X DONG Z FENG G GUO D 收藏  |  浏览/下载：3/0  |  提交时间：2019/12/13 Portable clothes spiral hole milling device, has shaft joint connected with power source that is connected with radial deflection mechanism, fixing sleeve installed on fixed bracket, and dust pipe installed on fixing sleeve and drill plate. 专利 申请日期: 2013-01-01, 公开日期: 2013-07-10 作者:  YANG G KANG R ZHU X DONG Z WANG H 收藏  |  浏览/下载：2/0  |  提交时间：2019/12/13 Method for calibrating combined two-dimensional and three-dimensional laser sensors, involves obtaining distance data measuring mutation characteristics of laser sensors when two-dimensional laser is used for scanning calibration plate. 专利 申请日期: 2013-01-01, 公开日期: 2013-08-21 作者:  YAN F ZHUANG Y HE G ZHU T 收藏  |  浏览/下载：6/0  |  提交时间：2019/12/13 Preparation of dihydroxydiphenyl ether involves reacting 1,3-butane diol with cation exchange resin as catalyst, cooling, filtering and evaporating under reduced pressure. 专利 申请日期: 2013-01-01, 公开日期: 2013-09-25 作者:  YAO H LI Z LIU G MENG Q DU J ZHU X 收藏  |  浏览/下载：2/0  |  提交时间：2019/12/13 Bidding game method based on load balancing in vehicle-ad-hoc-network (VANET), involves establishing crossroads scene model, and establishing geometrical scene model of each node in position coordinate of time. 专利 申请日期: 2013-01-01, 公开日期: 2013-01-16 作者:  WU D TAN G LIU J LING Y ZHU H 收藏  |  浏览/下载：3/0  |  提交时间：2019/12/13