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双面打孔的单室双层渗透泵控释系统 Patent
专利类型: 发明专利 Invention, 专利号: CN1692906B, 申请日期: 2005-03-01, 公开日期: 2005-11-09
Authors:  潘卫三;  李伟;  聂淑芳;  郭宏;  欧阳德方; et al.
Adobe PDF | Favorite |  | Submit date:2019/01/22