CN220957208U - 一种地岩热开采用非金属连续管 - Google Patents
一种地岩热开采用非金属连续管 Download PDFInfo
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- CN220957208U CN220957208U CN202323157841.7U CN202323157841U CN220957208U CN 220957208 U CN220957208 U CN 220957208U CN 202323157841 U CN202323157841 U CN 202323157841U CN 220957208 U CN220957208 U CN 220957208U
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323157841.7U CN220957208U (zh) | 2023-11-22 | 2023-11-22 | 一种地岩热开采用非金属连续管 |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202323157841.7U CN220957208U (zh) | 2023-11-22 | 2023-11-22 | 一种地岩热开采用非金属连续管 |
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| CN220957208U true CN220957208U (zh) | 2024-05-14 |
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| CN202323157841.7U Active CN220957208U (zh) | 2023-11-22 | 2023-11-22 | 一种地岩热开采用非金属连续管 |
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| CN (1) | CN220957208U (zh) |
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 100007 No. 9 North Main Street, Dongcheng District, Beijing, Dongzhimen Patentee after: CHINA NATIONAL PETROLEUM Corp. Country or region after: China Patentee after: China Petroleum Group Gemstone Pipe Industry Co.,Ltd. Patentee after: CNPC National Petroleum and natural gas pipe Engineering Technology Research Center Co.,Ltd. Address before: 100007 No. 9 North Main Street, Dongcheng District, Beijing, Dongzhimen Patentee before: CHINA NATIONAL PETROLEUM Corp. Country or region before: China Patentee before: BAOJI PETROLEUM STEEL PIPE Co.,Ltd. Patentee before: CNPC National Petroleum and natural gas pipe Engineering Technology Research Center Co.,Ltd. |
|
| CP03 | Change of name, title or address |