CN202869736U - 一种压力表防护装置 - Google Patents
一种压力表防护装置 Download PDFInfo
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- CN202869736U CN202869736U CN 201220568322 CN201220568322U CN202869736U CN 202869736 U CN202869736 U CN 202869736U CN 201220568322 CN201220568322 CN 201220568322 CN 201220568322 U CN201220568322 U CN 201220568322U CN 202869736 U CN202869736 U CN 202869736U
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CN 201220568322 CN202869736U (zh) | 2012-11-01 | 2012-11-01 | 一种压力表防护装置 |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103792037A (zh) * | 2012-11-01 | 2014-05-14 | 许春萌 | 一种压力表防护装置 |
CN104280180A (zh) * | 2013-07-09 | 2015-01-14 | 郑州椿长仪器仪表有限公司 | 虹吸管压力表 |
CN109403317A (zh) * | 2018-11-28 | 2019-03-01 | 中国电建集团贵阳勘测设计研究院有限公司 | 一种三重管旋喷法钻孔成桩系统及成桩方法 |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103792037A (zh) * | 2012-11-01 | 2014-05-14 | 许春萌 | 一种压力表防护装置 |
CN104280180A (zh) * | 2013-07-09 | 2015-01-14 | 郑州椿长仪器仪表有限公司 | 虹吸管压力表 |
CN104280180B (zh) * | 2013-07-09 | 2016-06-29 | 郑州椿长仪器仪表有限公司 | 虹吸管压力表 |
CN109403317A (zh) * | 2018-11-28 | 2019-03-01 | 中国电建集团贵阳勘测设计研究院有限公司 | 一种三重管旋喷法钻孔成桩系统及成桩方法 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C53 | Correction of patent for invention or patent application | ||
CB03 | Change of inventor or designer information |
Inventor after: Xu Chunmeng Inventor after: Tian Zhigang Inventor after: Sun Yan Inventor after: Wang Zhaosheng Inventor before: Xu Chunmeng Inventor before: Tian Zhigang Inventor before: Sun Yan |
|
COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: XU CHUNMENG TIAN ZHIGANG SUN YAN TO: XU CHUNMENG TIAN ZHIGANG SUN YAN WANGZHAOSHENG |
|
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130410 Termination date: 20131101 |