CN202897536U - 顶管隧道内管道输送用滚动支撑结构 - Google Patents
顶管隧道内管道输送用滚动支撑结构 Download PDFInfo
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104141345A (zh) * | 2014-08-25 | 2014-11-12 | 新兴铸管股份有限公司 | 球墨铸铁管穿越涵洞装置 |
CN106092897A (zh) * | 2016-08-29 | 2016-11-09 | 上海外高桥造船海洋工程设计有限公司 | 管段内窥用延长装置 |
CN110578832A (zh) * | 2019-08-30 | 2019-12-17 | 中国一冶集团有限公司 | 一种顶管套管内置管道拖拉结构与拖拉方法 |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104141345A (zh) * | 2014-08-25 | 2014-11-12 | 新兴铸管股份有限公司 | 球墨铸铁管穿越涵洞装置 |
CN106092897A (zh) * | 2016-08-29 | 2016-11-09 | 上海外高桥造船海洋工程设计有限公司 | 管段内窥用延长装置 |
CN110578832A (zh) * | 2019-08-30 | 2019-12-17 | 中国一冶集团有限公司 | 一种顶管套管内置管道拖拉结构与拖拉方法 |
CN110578832B (zh) * | 2019-08-30 | 2021-05-18 | 中国一冶集团有限公司 | 一种顶管套管内置管道拖拉结构与拖拉方法 |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
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Owner name: SINOPEC OILFIELD SERVICE CORPORATION Free format text: FORMER OWNER: SHENGLI PETRO-CHEMICAL BUILDING CO LTD, SHANGLI OIL FIELD Effective date: 20150702 |
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Effective date of registration: 20150702 Address after: 100728 Beijing, Chaoyangmen, North Street, No. 22, No. Patentee after: Sinopec Corp. Patentee after: SINOPEC OILFIELD SERVICE CORPORATION Address before: 100728 Beijing, Chaoyangmen, North Street, No. 22, No. Patentee before: Sinopec Corp. Patentee before: Shengli Oil Field Shengli Petroleum & Chemical Construction Corporation |
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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: 20130424 Termination date: 20171029 |