CN204083651U - 免焊接低压弹性封堵结构 - Google Patents
免焊接低压弹性封堵结构 Download PDFInfo
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- CN204083651U CN204083651U CN201420482982.8U CN201420482982U CN204083651U CN 204083651 U CN204083651 U CN 204083651U CN 201420482982 U CN201420482982 U CN 201420482982U CN 204083651 U CN204083651 U CN 204083651U
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CN201420482982.8U CN204083651U (zh) | 2014-08-25 | 2014-08-25 | 免焊接低压弹性封堵结构 |
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CN201420482982.8U CN204083651U (zh) | 2014-08-25 | 2014-08-25 | 免焊接低压弹性封堵结构 |
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CN204083651U true CN204083651U (zh) | 2015-01-07 |
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CN201420482982.8U Expired - Fee Related CN204083651U (zh) | 2014-08-25 | 2014-08-25 | 免焊接低压弹性封堵结构 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN110726029A (zh) * | 2019-09-03 | 2020-01-24 | 海洋石油工程(青岛)有限公司 | 塑料管净水压力试验封堵装置 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110726029A (zh) * | 2019-09-03 | 2020-01-24 | 海洋石油工程(青岛)有限公司 | 塑料管净水压力试验封堵装置 |
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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 NATIONAL OFFSHORE OIL Corp. 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 Corp. 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: 20150107 Termination date: 20210825 |
|
CF01 | Termination of patent right due to non-payment of annual fee |