CN203547761U - 一种能稳定暗挖砂层掌子面的浆液的注浆设备 - Google Patents
一种能稳定暗挖砂层掌子面的浆液的注浆设备 Download PDFInfo
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Address after: 250000 No. 16 Heping Road, Shandong, Ji'nan Patentee after: China Railway Shisiju Group Corporation Patentee after: BEIJING URBAN CONSTRUCTION DESIGN & DEVELOPMENT GROUP CO., LIMITED Address before: 250000 No. 16 Heping Road, Shandong, Ji'nan Patentee before: China Railway Shisiju Group Corporation Patentee before: Beijing Urban Establishing Design & Research Institute Co., Ltd. |
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Granted publication date: 20140416 Termination date: 20180708 |
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CF01 | Termination of patent right due to non-payment of annual fee |