CN205078235U - 新型保温井口装置 - Google Patents
新型保温井口装置 Download PDFInfo
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- CN205078235U CN205078235U CN201520837836.7U CN201520837836U CN205078235U CN 205078235 U CN205078235 U CN 205078235U CN 201520837836 U CN201520837836 U CN 201520837836U CN 205078235 U CN205078235 U CN 205078235U
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CN201520837836.7U CN205078235U (zh) | 2015-10-27 | 2015-10-27 | 新型保温井口装置 |
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CN201520837836.7U CN205078235U (zh) | 2015-10-27 | 2015-10-27 | 新型保温井口装置 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN106869857A (zh) * | 2017-04-26 | 2017-06-20 | 徐占有 | 一种油田用防冻防盗掺水集输工艺流程阀组 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106869857A (zh) * | 2017-04-26 | 2017-06-20 | 徐占有 | 一种油田用防冻防盗掺水集输工艺流程阀组 |
CN106869857B (zh) * | 2017-04-26 | 2023-04-14 | 徐占有 | 一种油田用防冻防盗掺水集输工艺流程阀组 |
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C14 | Grant of patent or utility model | ||
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Inventor after: Qi Jingang Inventor after: Jia Guangsheng Inventor after: Jia Guangcai Inventor after: He Denglong Inventor after: Zhu Yanhua Inventor after: Wei Bingkun Inventor after: Du Min Inventor after: Qian Tiefeng Inventor before: Jia Guangsheng Inventor before: Jia Guangcai Inventor before: He Denglong Inventor before: Zhu Yanhua Inventor before: Wei Bingkun Inventor before: Du Min Inventor before: Qian Tiefeng |
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TR01 | Transfer of patent right | ||
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Effective date of registration: 20180731 Address after: 163453 Daqing, Heilongjiang, Guangdong Province, Hun Road District, Chengfeng south two road north public building A11 Business Service Building 9 Patentee after: Daqing Danfeng Petroleum Technology Development Co., Ltd. Address before: 163000 Heilongjiang Daqing Saertu District friendship Street business clothing 3-23 Patentee before: DAQING XINGHUATIANYI PETROLEUM DRILLING AND PRODUCTION EQUIPMENT MANUFACTURING CO., LTD. |
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TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20200401 Address after: 163453 business service 10, No.12 commercial and residential building, jiulongda community, No.100, Sahuan East Road, Sartu District, Daqing City, Heilongjiang Province Patentee after: DAQING XINGHUA TIANYI OIL DRILLING EQUIPMENT MANUFACTURING Co.,Ltd. Address before: 163453 Daqing, Heilongjiang, Guangdong Province, Hun Road District, Chengfeng south two road north public building A11 Business Service Building 9 Patentee before: DAQING DANFENG PETROLEUM TECHNOLOGY DEVELOPMENT Co.,Ltd. |