CN209668580U - 一种电梯通风装置 - Google Patents
一种电梯通风装置 Download PDFInfo
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- CN209668580U CN209668580U CN201920098907.4U CN201920098907U CN209668580U CN 209668580 U CN209668580 U CN 209668580U CN 201920098907 U CN201920098907 U CN 201920098907U CN 209668580 U CN209668580 U CN 209668580U
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- air
- lift car
- elevator
- air inlet
- ventilation device
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CN201920098907.4U CN209668580U (zh) | 2019-01-21 | 2019-01-21 | 一种电梯通风装置 |
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CN201920098907.4U CN209668580U (zh) | 2019-01-21 | 2019-01-21 | 一种电梯通风装置 |
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CN209668580U true CN209668580U (zh) | 2019-11-22 |
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CN201920098907.4U Expired - Fee Related CN209668580U (zh) | 2019-01-21 | 2019-01-21 | 一种电梯通风装置 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111332909A (zh) * | 2020-03-14 | 2020-06-26 | 唐策 | 一种用于电梯通风的换气装置 |
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2019
- 2019-01-21 CN CN201920098907.4U patent/CN209668580U/zh not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111332909A (zh) * | 2020-03-14 | 2020-06-26 | 唐策 | 一种用于电梯通风的换气装置 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right |
Effective date of registration: 20210819 Address after: No. 31, dongmianhua Hutong, Dongcheng District, Beijing 100010 Patentee after: Ding Zhiyang Address before: Room 1103, building 5, yard 36, Majiabao West Road, Fengtai District, Beijing 100071 Patentee before: Beijing Unicom Elevator Co.,Ltd. |
|
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20211215 Address after: Room 106-24, Government Office Building, No. 9, Government Street, Xinchengzi Town, Miyun District, Beijing, 101500 Patentee after: Beijing Tongli Yixin Elevator Technology Co.,Ltd. Address before: No. 31, dongmianhua Hutong, Dongcheng District, Beijing 100010 Patentee before: Ding Zhiyang |
|
TR01 | Transfer of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191122 Termination date: 20220121 |
|
CF01 | Termination of patent right due to non-payment of annual fee |