CN213175420U - 一种拆装式卫生间用通风改良装置 - Google Patents
一种拆装式卫生间用通风改良装置 Download PDFInfo
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Date | Code | Title | Description |
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GR01 | Patent grant | ||
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Effective date of registration: 20220817 Address after: No. 1, Fubin Road, Binhai Town, Zhanhua District, Binzhou City, Shandong Province, 256800 Patentee after: Binzhou Zhanhua District Haisheng Construction Comprehensive Development Co., Ltd. Address before: 231500 Shanqian villager group, Fuxing village, Longqiao Town, Lujiang County, Chaohu City, Anhui Province Patentee before: Cha Guomin |
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EE01 | Entry into force of recordation of patent licensing contract | ||
EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Binzhou Zhanhua District Wuji Department Comprehensive Development Co.,Ltd. Assignor: Binzhou Zhanhua District Haisheng Construction Comprehensive Development Co.,Ltd. Contract record no.: X2022980018176 Denomination of utility model: A dismountable toilet ventilation improvement device Granted publication date: 20210511 License type: Common License Record date: 20221017 |