CN206592098U - 一种投球解封封隔器 - Google Patents
一种投球解封封隔器 Download PDFInfo
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CN201621457023.6U CN206592098U (zh) | 2016-12-28 | 2016-12-28 | 一种投球解封封隔器 |
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CN201621457023.6U CN206592098U (zh) | 2016-12-28 | 2016-12-28 | 一种投球解封封隔器 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111691845A (zh) * | 2019-03-15 | 2020-09-22 | 中国石油化工股份有限公司 | 一种封隔器 |
CN112302561A (zh) * | 2019-07-29 | 2021-02-02 | 中国石油天然气股份有限公司 | 热敏式高温封隔器 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111691845A (zh) * | 2019-03-15 | 2020-09-22 | 中国石油化工股份有限公司 | 一种封隔器 |
CN112302561A (zh) * | 2019-07-29 | 2021-02-02 | 中国石油天然气股份有限公司 | 热敏式高温封隔器 |
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CB03 | Change of inventor or designer information |
Inventor after: Wan Xiaoyong Inventor after: Li Lintao Inventor after: Li Shuanggui Inventor after: Huang Chuanyan Inventor after: Su Peng Inventor after: Zhang Jie Inventor after: Zou Ning Inventor after: Li Weiliang Inventor after: Chen Dongbo Inventor before: Lu Rudong Inventor before: Sun Deqi Inventor before: Zhang Weibo Inventor before: Xu Kun |
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Effective date of registration: 20180625 Address after: 100728 Chaoyangmen North Street, Chaoyang District, Chaoyang District, Beijing Patentee after: Sinopec Corp. Address before: No. 1899, No. 1899, Hui Ren Road, Shanghai, Shanghai Patentee before: SHANGHAI EXTRONG OILFIELD TECHNOLOGY CO., LTD. |
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TR01 | Transfer of patent right |