CN204849774U - 一种用于井管沉放的简易装置 - Google Patents
一种用于井管沉放的简易装置 Download PDFInfo
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CN201520538002.6U CN204849774U (zh) | 2015-07-23 | 2015-07-23 | 一种用于井管沉放的简易装置 |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105862893A (zh) * | 2016-04-07 | 2016-08-17 | 中国十七冶集团有限公司 | 一种管井降水混凝土滤管输送装置 |
CN106703058A (zh) * | 2016-12-30 | 2017-05-24 | 中国十七冶集团有限公司 | 一种采用井口护套导入井点降水外套管的施工方法 |
CN106968263A (zh) * | 2017-04-25 | 2017-07-21 | 中国二十冶集团有限公司 | 一种无砂降水管井安全沉设施工方法 |
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2015
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105862893A (zh) * | 2016-04-07 | 2016-08-17 | 中国十七冶集团有限公司 | 一种管井降水混凝土滤管输送装置 |
CN106703058A (zh) * | 2016-12-30 | 2017-05-24 | 中国十七冶集团有限公司 | 一种采用井口护套导入井点降水外套管的施工方法 |
CN106968263A (zh) * | 2017-04-25 | 2017-07-21 | 中国二十冶集团有限公司 | 一种无砂降水管井安全沉设施工方法 |
CN106968263B (zh) * | 2017-04-25 | 2019-11-12 | 中国二十冶集团有限公司 | 一种无砂降水管井安全沉设施工方法 |
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right |
Effective date of registration: 20161223 Address after: 100070 Beijing West Fourth Ring Road, Fengtai District, No. 83 Patentee after: China Aerospace Construction Group Co.,Ltd. Patentee after: BEIJING AEROSPACE GEOTECHNICAL ENGINEERING INSTITUTE Co.,Ltd. Patentee after: BEIJING AEROSPACE FOUNDATION ENGINEERING Co.,Ltd. Address before: 100070 Beijing West Fourth Ring Road, Fengtai District, No. 83 Patentee before: China Aerospace Construction Group Co.,Ltd. Patentee before: BEIJING AEROSPACE GEOTECHNICAL ENGINEERING INSTITUTE Co.,Ltd. |
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TR01 | Transfer of patent right |
Effective date of registration: 20170630 Address after: 100070 Beijing West Fourth Ring Road, Fengtai District, No. 83 Patentee after: SPACEFLIGHT BUILDING DESIGN RESEARCH INSTITUTE Co.,Ltd. Address before: 100070 Beijing West Fourth Ring Road, Fengtai District, No. 83 Co-patentee before: BEIJING AEROSPACE GEOTECHNICAL ENGINEERING INSTITUTE Co.,Ltd. Patentee before: China Aerospace Construction Group Co.,Ltd. Co-patentee before: BEIJING AEROSPACE FOUNDATION ENGINEERING Co.,Ltd. |
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CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151209 |