CN205422640U - 一种复合桥塞 - Google Patents
一种复合桥塞 Download PDFInfo
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- CN205422640U CN205422640U CN201620226474.2U CN201620226474U CN205422640U CN 205422640 U CN205422640 U CN 205422640U CN 201620226474 U CN201620226474 U CN 201620226474U CN 205422640 U CN205422640 U CN 205422640U
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CN201620226474.2U CN205422640U (zh) | 2016-03-18 | 2016-03-18 | 一种复合桥塞 |
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Cited By (1)
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CN109236229A (zh) * | 2018-10-09 | 2019-01-18 | 成都维泰油气能源技术有限公司 | 一种混合桥塞 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN109236229A (zh) * | 2018-10-09 | 2019-01-18 | 成都维泰油气能源技术有限公司 | 一种混合桥塞 |
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C14 | Grant of patent or utility model | ||
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CB03 | Change of inventor or designer information | ||
CB03 | Change of inventor or designer information |
Inventor after: Wang Chengjun Inventor before: Zhang Hua |
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TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20180226 Address after: 163311 Heilongjiang Daqing hi tech incubator phase I incubator No. 1 incubator 9-601-03 Patentee after: DAQING PUQING DRILLING EQUIPMENT MANUFACTURING CO.,LTD. Address before: Science road high tech Industrial Development Zone Guangzhou city Guangdong province 510000 231, No. 233 building B1B2 building one layer, two layer, three layer, four layer Patentee before: BOAO ZONGHENG NETWORK TECHNOLOGY Co.,Ltd. Effective date of registration: 20180226 Address after: Science road high tech Industrial Development Zone Guangzhou city Guangdong province 510000 231, No. 233 building B1B2 building one layer, two layer, three layer, four layer Patentee after: BOAO ZONGHENG NETWORK TECHNOLOGY Co.,Ltd. Address before: Xindu District of Chengdu City, Sichuan province 610500 metropolis Street Zirui Street Lane two, No. 136 Wen Jia Patentee before: CHENGDU JIAGE TECHNOLOGY Co.,Ltd. |