CN202530460U - 一种辅助拔桩机构 - Google Patents
一种辅助拔桩机构 Download PDFInfo
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- CN202530460U CN202530460U CN2012200403403U CN201220040340U CN202530460U CN 202530460 U CN202530460 U CN 202530460U CN 2012200403403 U CN2012200403403 U CN 2012200403403U CN 201220040340 U CN201220040340 U CN 201220040340U CN 202530460 U CN202530460 U CN 202530460U
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CN2012200403403U CN202530460U (zh) | 2012-02-08 | 2012-02-08 | 一种辅助拔桩机构 |
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CN2012200403403U CN202530460U (zh) | 2012-02-08 | 2012-02-08 | 一种辅助拔桩机构 |
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CN202530460U true CN202530460U (zh) | 2012-11-14 |
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CN2012200403403U Expired - Fee Related CN202530460U (zh) | 2012-02-08 | 2012-02-08 | 一种辅助拔桩机构 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103243717A (zh) * | 2012-02-08 | 2013-08-14 | 中国石油化工股份有限公司 | 一种辅助拔桩机构及其使用方法 |
CN109403296A (zh) * | 2018-10-25 | 2019-03-01 | 青岛谊深海洋科技有限公司 | 一种压力流体顶升式拔桩技术 |
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2012
- 2012-02-08 CN CN2012200403403U patent/CN202530460U/zh not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103243717A (zh) * | 2012-02-08 | 2013-08-14 | 中国石油化工股份有限公司 | 一种辅助拔桩机构及其使用方法 |
CN109403296A (zh) * | 2018-10-25 | 2019-03-01 | 青岛谊深海洋科技有限公司 | 一种压力流体顶升式拔桩技术 |
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20151022 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: Well-Drilling Technology Inst., Shengli Petroleum Administration, SINOPEC |
|
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: 20121114 Termination date: 20210208 |