CN214746223U - 一种建筑设计节能通风结构 - Google Patents
一种建筑设计节能通风结构 Download PDFInfo
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- CN214746223U CN214746223U CN202120369551.0U CN202120369551U CN214746223U CN 214746223 U CN214746223 U CN 214746223U CN 202120369551 U CN202120369551 U CN 202120369551U CN 214746223 U CN214746223 U CN 214746223U
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CN202120369551.0U CN214746223U (zh) | 2021-02-10 | 2021-02-10 | 一种建筑设计节能通风结构 |
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CN202120369551.0U CN214746223U (zh) | 2021-02-10 | 2021-02-10 | 一种建筑设计节能通风结构 |
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CN202120369551.0U Withdrawn - After Issue CN214746223U (zh) | 2021-02-10 | 2021-02-10 | 一种建筑设计节能通风结构 |
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GR01 | Patent grant | ||
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TR01 | Transfer of patent right |
Effective date of registration: 20230427 Address after: No. 203, Building 1, Jinxin Xiaoyuan, No. 378 Yingfeng East Road, Hecheng District, Huaihua City, Hunan Province, 418099 Patentee after: Hunan Hongwen Construction Engineering Co.,Ltd. Address before: 065000 Room 401, unit 2, building 7, group 2, Nordic luhaoting community, Xinhua Street, Xianghe County, Langfang City, Hebei Province Patentee before: Xin Chunhe |
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AV01 | Patent right actively abandoned |
Granted publication date: 20211116 Effective date of abandoning: 20230606 |
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AV01 | Patent right actively abandoned |
Granted publication date: 20211116 Effective date of abandoning: 20230606 |
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AV01 | Patent right actively abandoned | ||
AV01 | Patent right actively abandoned |