CN204042453U - 一种管道测堵装置 - Google Patents
一种管道测堵装置 Download PDFInfo
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- CN204042453U CN204042453U CN201420365670.9U CN201420365670U CN204042453U CN 204042453 U CN204042453 U CN 204042453U CN 201420365670 U CN201420365670 U CN 201420365670U CN 204042453 U CN204042453 U CN 204042453U
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CN201420365670.9U CN204042453U (zh) | 2014-07-02 | 2014-07-02 | 一种管道测堵装置 |
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CN201420365670.9U CN204042453U (zh) | 2014-07-02 | 2014-07-02 | 一种管道测堵装置 |
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CN204042453U true CN204042453U (zh) | 2014-12-24 |
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CN201420365670.9U Expired - Fee Related CN204042453U (zh) | 2014-07-02 | 2014-07-02 | 一种管道测堵装置 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN113595571A (zh) * | 2021-07-29 | 2021-11-02 | 廊坊市东润电子科技有限公司 | 电路信号处理方法、管道测堵信号接收器及管道测堵器 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113595571A (zh) * | 2021-07-29 | 2021-11-02 | 廊坊市东润电子科技有限公司 | 电路信号处理方法、管道测堵信号接收器及管道测堵器 |
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Legal Events
Date | Code | Title | Description |
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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: Zheng Ale Inventor after: Fang Chengxin Inventor after: Yu Xusheng Inventor before: Zhang Quanzhong Inventor before: Zhang Zaopan Inventor before: Fang Chengxin Inventor before: Xue Shengchao |
|
COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: ZHANG QUANZHONG ZHANG ZAOPAN FANG CHENGXIN XUE SHENGCHAO TO: ZHENG ALE FANG CHENGXIN YU XUSHENG |
|
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141224 Termination date: 20180702 |