CN212802499U - 一种柱底防渗封堵及柱底、柱顶固定伸缩节 - Google Patents
一种柱底防渗封堵及柱底、柱顶固定伸缩节 Download PDFInfo
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| CN202020496887.9U CN212802499U (zh) | 2020-04-08 | 2020-04-08 | 一种柱底防渗封堵及柱底、柱顶固定伸缩节 |
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Address after: 266000 Room 302, Building 29, 171 Jinshui Road, Licang District, Qingdao City, Shandong Province Patentee after: Zhongjia Jiansheng Construction Engineering Group Co.,Ltd. Patentee after: ZHONGQING JIANAN CONSTRUCTION GROUP Co.,Ltd. Address before: 266000 Room 302, Building 29, 171 Jinshui Road, Licang District, Qingdao City, Shandong Province Patentee before: QINGDAO ZHONGJIA CONSTRUCTION GROUP Co.,Ltd. Patentee before: ZHONGQING JIANAN CONSTRUCTION GROUP Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder | ||
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Granted publication date: 20210326 |
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| CF01 | Termination of patent right due to non-payment of annual fee |