CN210740505U - 一种热水与供暖自动切换的控制系统 - Google Patents
一种热水与供暖自动切换的控制系统 Download PDFInfo
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- CN210740505U CN210740505U CN201921470559.5U CN201921470559U CN210740505U CN 210740505 U CN210740505 U CN 210740505U CN 201921470559 U CN201921470559 U CN 201921470559U CN 210740505 U CN210740505 U CN 210740505U
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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 control system of automatic switch between hot water and heating Effective date of registration: 20201223 Granted publication date: 20200612 Pledgee: Hangzhou High-tech Financing Guarantee Co.,Ltd. Pledgor: HANGZHOU ZHENXIN HEATING EQUIPMENT Co.,Ltd. Registration number: Y2020330001262 |
|
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: 20211227 Granted publication date: 20200612 Pledgee: Hangzhou High-tech Financing Guarantee Co.,Ltd. Pledgor: Hangzhou Zhenxin Heating Equipment Co.,Ltd. Registration number: Y2020330001262 |