CN204437564U - 管线试压盲板 - Google Patents
管线试压盲板 Download PDFInfo
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- CN204437564U CN204437564U CN201520025968.XU CN201520025968U CN204437564U CN 204437564 U CN204437564 U CN 204437564U CN 201520025968 U CN201520025968 U CN 201520025968U CN 204437564 U CN204437564 U CN 204437564U
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Application Number | Priority Date | Filing Date | Title |
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CN201520025968.XU CN204437564U (zh) | 2015-01-15 | 2015-01-15 | 管线试压盲板 |
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CN201520025968.XU CN204437564U (zh) | 2015-01-15 | 2015-01-15 | 管线试压盲板 |
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CN204437564U true CN204437564U (zh) | 2015-07-01 |
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CN201520025968.XU Expired - Fee Related CN204437564U (zh) | 2015-01-15 | 2015-01-15 | 管线试压盲板 |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106523843A (zh) * | 2015-09-09 | 2017-03-22 | 吴金珠 | 一种法兰盲板 |
CN106838537A (zh) * | 2015-12-04 | 2017-06-13 | 潘珺珺 | 一种稳定型盲板 |
CN110231150A (zh) * | 2018-03-06 | 2019-09-13 | 兰州兰石重型装备股份有限公司 | 一种压力容器法兰与对应法兰的试压方法 |
-
2015
- 2015-01-15 CN CN201520025968.XU patent/CN204437564U/zh not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106523843A (zh) * | 2015-09-09 | 2017-03-22 | 吴金珠 | 一种法兰盲板 |
CN106838537A (zh) * | 2015-12-04 | 2017-06-13 | 潘珺珺 | 一种稳定型盲板 |
CN110231150A (zh) * | 2018-03-06 | 2019-09-13 | 兰州兰石重型装备股份有限公司 | 一种压力容器法兰与对应法兰的试压方法 |
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CP01 | Change in the name or title of a patent holder |
Address after: 100010 Chaoyangmen North Street, Dongcheng District, Dongcheng District, Beijing Co-patentee after: Offshore Oil Engineering Co., Ltd. Patentee after: China Offshore Oil Group Co., Ltd. Co-patentee after: Offshore Oil Engineering (Qingdao) Co., Ltd. Address before: 100010 Chaoyangmen North Street, Dongcheng District, Dongcheng District, Beijing Co-patentee before: Offshore Oil Engineering Co., Ltd. Patentee before: China National Offshore Oil Corporation Co-patentee before: Offshore Oil Engineering (Qingdao) Co., Ltd. |
|
CP01 | Change in the name or title of a patent holder | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150701 Termination date: 20210115 |
|
CF01 | Termination of patent right due to non-payment of annual fee |