CN215422940U - 一种透气性好的口罩 - Google Patents
一种透气性好的口罩 Download PDFInfo
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- CN215422940U CN215422940U CN202120301474.5U CN202120301474U CN215422940U CN 215422940 U CN215422940 U CN 215422940U CN 202120301474 U CN202120301474 U CN 202120301474U CN 215422940 U CN215422940 U CN 215422940U
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CN202120301474.5U CN215422940U (zh) | 2021-02-02 | 2021-02-02 | 一种透气性好的口罩 |
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CN202120301474.5U CN215422940U (zh) | 2021-02-02 | 2021-02-02 | 一种透气性好的口罩 |
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GR01 | Patent grant | ||
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Effective date of registration: 20220308 Address after: 101300 No. 29, Zhaogong Road, zhaoquanying Town, Shunyi District, Beijing Patentee after: Beijing Dongrui Technology Co.,Ltd. Address before: 903, floor 9, complex building, Xinglong community, No. 2, Xinglong West Street, Gaobeidian, Chaoyang District, Beijing 100020 Patentee before: Beijing February flower Technology Co.,Ltd. |
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TR01 | Transfer of patent right | ||
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Effective date of registration: 20220926 Address after: East side of Chuangye Road, Lizhuang Farm, Wen'an County, Langfang City, Hebei Province, 065801 Patentee after: LVZHIYUAN Co.,Ltd. Address before: 101300 No. 29, Zhaogong Road, zhaoquanying Town, Shunyi District, Beijing Patentee before: Beijing Dongrui Technology Co.,Ltd. |