CN205639024U - 一种自启闭的换气扇智能控制系统 - Google Patents
一种自启闭的换气扇智能控制系统 Download PDFInfo
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- CN205639024U CN205639024U CN201620252272.5U CN201620252272U CN205639024U CN 205639024 U CN205639024 U CN 205639024U CN 201620252272 U CN201620252272 U CN 201620252272U CN 205639024 U CN205639024 U CN 205639024U
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CB03 | Change of inventor or designer information |
Inventor after: Luo Huaen Inventor before: Li Kao |
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CB03 | Change of inventor or designer information | ||
TR01 | Transfer of patent right |
Effective date of registration: 20170913 Address after: 510000 216-A238 room, No. 85 Sha Tai Road, Guangzhou, Guangdong, Tianhe District Patentee after: Guangzhou Weiss Environmental Protection Technology Co., Ltd. Address before: 611200 Chongzhou Sichuan Economic Development Zone Youth (College) Venture Park Patentee before: CHENGDU BOTAI TECHNOLOGY CO., LTD. |
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TR01 | Transfer of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161012 Termination date: 20210329 |
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CF01 | Termination of patent right due to non-payment of annual fee |