CN218066960U - Resistance performance testing device for ventilation elbow pipeline - Google Patents
Resistance performance testing device for ventilation elbow pipeline Download PDFInfo
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- CN218066960U CN218066960U CN202221907866.7U CN202221907866U CN218066960U CN 218066960 U CN218066960 U CN 218066960U CN 202221907866 U CN202221907866 U CN 202221907866U CN 218066960 U CN218066960 U CN 218066960U
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- pressure
- pipeline
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- measuring pipe
- ventilation
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CN202221907866.7U CN218066960U (en) | 2022-07-21 | 2022-07-21 | Resistance performance testing device for ventilation elbow pipeline |
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CN202221907866.7U CN218066960U (en) | 2022-07-21 | 2022-07-21 | Resistance performance testing device for ventilation elbow pipeline |
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CN218066960U true CN218066960U (en) | 2022-12-16 |
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CN202221907866.7U Active CN218066960U (en) | 2022-07-21 | 2022-07-21 | Resistance performance testing device for ventilation elbow pipeline |
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CN (1) | CN218066960U (en) |
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2022
- 2022-07-21 CN CN202221907866.7U patent/CN218066960U/en active Active
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Legal Events
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CB03 | Change of inventor or designer information |
Inventor after: Ni Minliang Inventor after: Bao Liuhua Inventor after: Wang Yongchun Inventor after: Zeng Yi Inventor after: Fang Simin Inventor after: Zhong Zhongtang Inventor before: Ni Minliang Inventor before: Bao Liuhua Inventor before: Wang Yongchun Inventor before: Zeng Yini Inventor before: Fang Simin Inventor before: Zhong Zhongtang |
|
CB03 | Change of inventor or designer information |