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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    发表日期：2012     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 Four-shaft linkage mechanical sealing ring complex shape surface grinding method, involves moving Z-direction straight line of moving platform to rotating axis of swinging of swinging working table of work-piece shaft. 专利 申请日期: 2012-01-01, 公开日期: 2012-11-21 作者:  FENG G GUO D HUO F JIN Z KANG R 收藏  |  浏览/下载：3/0  |  提交时间：2019/12/18 Preparation of indole amino acid derivative used as pharmaceutical intermediate, involves dissolving indole derivative in solvent, adding m-chloroperoxybenzoic acid, ethyl morpholine-4-carboxylate, and sodium hydroxide, and extracting. 专利 申请日期: 2012-01-01, 公开日期: 2012-07-18 作者:  BAO M FENG X XU Z YU X 收藏  |  浏览/下载：5/0  |  提交时间：2019/12/18 Method for polishing multifunctional substrate, involves driving working table along rotating direction of grinding wheel, by material disc feeding mechanism. 专利 申请日期: 2012-01-01, 公开日期: 2012-07-11 作者:  DONG Z FENG G GUO D KANG R ZHU X 收藏  |  浏览/下载：1/0  |  提交时间：2019/12/18 Four-shaft linkage mechanical sealing ring grinding method, involves moving direction straight line of linear moving platform to moving platform vertical to rotating axis of swinging axial line. 专利 申请日期: 2012-01-01, 公开日期: 2012-11-21 作者:  FENG G GUO D HUO F JIN Z KANG R 收藏  |  浏览/下载：1/0  |  提交时间：2019/12/18