CN213719269U - 一种羊舍用换气装置 - Google Patents
一种羊舍用换气装置 Download PDFInfo
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- CN213719269U CN213719269U CN202022885619.9U CN202022885619U CN213719269U CN 213719269 U CN213719269 U CN 213719269U CN 202022885619 U CN202022885619 U CN 202022885619U CN 213719269 U CN213719269 U CN 213719269U
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CN202022885619.9U CN213719269U (zh) | 2020-12-04 | 2020-12-04 | 一种羊舍用换气装置 |
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CN202022885619.9U CN213719269U (zh) | 2020-12-04 | 2020-12-04 | 一种羊舍用换气装置 |
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CN213719269U true CN213719269U (zh) | 2021-07-20 |
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CB03 | Change of inventor or designer information |
Inventor after: Qiao Weisheng Inventor after: Li Jiyao Inventor after: Qiao Xiaorong Inventor after: Li Pingying Inventor after: Xian Xiaodong Inventor before: Qiao Weisheng Inventor before: Jiyao Inventor before: Qiao Xiaorong Inventor before: Li Pingying Inventor before: Xian Xiaodong |
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CB03 | Change of inventor or designer information | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210720 Termination date: 20211204 |
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CF01 | Termination of patent right due to non-payment of annual fee |