CN203114260U - 一种双煤层分层控压联合排采装置 - Google Patents
一种双煤层分层控压联合排采装置 Download PDFInfo
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- CN203114260U CN203114260U CN 201320030223 CN201320030223U CN203114260U CN 203114260 U CN203114260 U CN 203114260U CN 201320030223 CN201320030223 CN 201320030223 CN 201320030223 U CN201320030223 U CN 201320030223U CN 203114260 U CN203114260 U CN 203114260U
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| CN 201320030223 CN203114260U (zh) | 2013-01-21 | 2013-01-21 | 一种双煤层分层控压联合排采装置 |
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| CN 201320030223 CN203114260U (zh) | 2013-01-21 | 2013-01-21 | 一种双煤层分层控压联合排采装置 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103089204A (zh) * | 2013-01-21 | 2013-05-08 | 中煤科工集团西安研究院 | 双煤层分层控压联合排采装置 |
| CN105649578A (zh) * | 2016-01-29 | 2016-06-08 | 西南石油大学 | 煤层气直井双层分压合采方法及其装置 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103089204A (zh) * | 2013-01-21 | 2013-05-08 | 中煤科工集团西安研究院 | 双煤层分层控压联合排采装置 |
| CN103089204B (zh) * | 2013-01-21 | 2015-04-08 | 中煤科工集团西安研究院有限公司 | 双煤层分层控压联合排采装置 |
| CN105649578A (zh) * | 2016-01-29 | 2016-06-08 | 西南石油大学 | 煤层气直井双层分压合采方法及其装置 |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
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Owner name: XI'AN RESEARCH INSTITUTE OF CHINA COAL TECHNOLOGY Free format text: FORMER NAME: CHINA COAL TECHNOLOGY + ENGINEERING GROUP XI'AN RESEARCH INSTITUTE |
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| CP01 | Change in the name or title of a patent holder | ||
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Address after: 710075 Xi'an high tech Industrial Development Zone, Shaanxi, Jin Jin Road, No. 82 Patentee after: Xi'an Research Institute, CCTEG Address before: 710075 Xi'an high tech Industrial Development Zone, Shaanxi, Jin Jin Road, No. 82 Patentee before: China Coal Technology & Engineering Group Xi'an Research Institute |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130807 Termination date: 20160121 |
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