CN203463776U - 一种用于深水闸板阀液压执行机构的可视化位置指示器 - Google Patents
一种用于深水闸板阀液压执行机构的可视化位置指示器 Download PDFInfo
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- CN203463776U CN203463776U CN201320519508.3U CN201320519508U CN203463776U CN 203463776 U CN203463776 U CN 203463776U CN 201320519508 U CN201320519508 U CN 201320519508U CN 203463776 U CN203463776 U CN 203463776U
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CN201320519508.3U CN203463776U (zh) | 2013-08-23 | 2013-08-23 | 一种用于深水闸板阀液压执行机构的可视化位置指示器 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103411025A (zh) * | 2013-08-23 | 2013-11-27 | 中国海洋石油总公司 | 一种用于深水闸板阀液压执行机构的可视化位置指示器 |
CN114017031A (zh) * | 2021-10-27 | 2022-02-08 | 中国矿业大学 | 一种采煤工作面端头三角区爆破切顶卸压方法 |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103411025A (zh) * | 2013-08-23 | 2013-11-27 | 中国海洋石油总公司 | 一种用于深水闸板阀液压执行机构的可视化位置指示器 |
CN103411025B (zh) * | 2013-08-23 | 2016-01-20 | 中国海洋石油总公司 | 一种用于深水闸板阀液压执行机构的可视化位置指示器 |
CN114017031A (zh) * | 2021-10-27 | 2022-02-08 | 中国矿业大学 | 一种采煤工作面端头三角区爆破切顶卸压方法 |
CN114017031B (zh) * | 2021-10-27 | 2023-11-10 | 中国矿业大学 | 一种采煤工作面端头三角区爆破切顶卸压方法 |
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Owner name: CNOOC RESEARCH INSTITUTE CHINA PETROLEUM UNIV. (BE Free format text: FORMER OWNER: CNOOC RESEARCH INSTITUTE Effective date: 20140709 |
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Effective date of registration: 20140709 Address after: 100010 Beijing, Chaoyangmen, North Street, No. 25, No. Patentee after: China National Offshore Oil Corporation Patentee after: CNOOC Research Institute Patentee after: China University of Petroleum (Beijing) Address before: 100010 Beijing, Chaoyangmen, North Street, No. 25, No. Patentee before: China National Offshore Oil Corporation Patentee before: CNOOC Research Institute |
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Granted publication date: 20140305 Effective date of abandoning: 20160120 |
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AV01 | Patent right actively abandoned |
Granted publication date: 20140305 Effective date of abandoning: 20160120 |
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C25 | Abandonment of patent right or utility model to avoid double patenting |