CN211525188U - 一种离心风机式顶部通风装置 - Google Patents
一种离心风机式顶部通风装置 Download PDFInfo
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- CN211525188U CN211525188U CN202020049314.1U CN202020049314U CN211525188U CN 211525188 U CN211525188 U CN 211525188U CN 202020049314 U CN202020049314 U CN 202020049314U CN 211525188 U CN211525188 U CN 211525188U
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- centrifugal fan
- tray
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Legal Events
Date | Code | Title | Description |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A centrifugal fan type top ventilation device Effective date of registration: 20220211 Granted publication date: 20200918 Pledgee: Huaxia Bank Limited by Share Ltd. Wuhan fruit lake sub branch Pledgor: WUHAN GUIDE ELECTRIC Co.,Ltd. Registration number: Y2022420000038 |
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PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20230213 Granted publication date: 20200918 Pledgee: Huaxia Bank Limited by Share Ltd. Wuhan fruit lake sub branch Pledgor: WUHAN GUIDE ELECTRIC Co.,Ltd. Registration number: Y2022420000038 |