CN212260541U - 一种抗病毒的一次性n95口罩 - Google Patents
一种抗病毒的一次性n95口罩 Download PDFInfo
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- CN212260541U CN212260541U CN202020281961.5U CN202020281961U CN212260541U CN 212260541 U CN212260541 U CN 212260541U CN 202020281961 U CN202020281961 U CN 202020281961U CN 212260541 U CN212260541 U CN 212260541U
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- gauze mask
- mask
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- ear hook
- disposable
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CN202020281961.5U CN212260541U (zh) | 2020-03-10 | 2020-03-10 | 一种抗病毒的一次性n95口罩 |
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CN202020281961.5U CN212260541U (zh) | 2020-03-10 | 2020-03-10 | 一种抗病毒的一次性n95口罩 |
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CN212260541U true CN212260541U (zh) | 2021-01-01 |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20210906 Address after: 100020 2905, 25 / F, building 1, yard a 6, Shuguang Sili, Chaoyang District, Beijing Patentee after: Zhongan Yihe Biotechnology (Beijing) Co.,Ltd. Address before: 100094 room 402, block a, 4 / F, new materials venture building, No.7 Fenghui Middle Road, Haidian District, Beijing Patentee before: BEIJING CHAMGO NANO-TECH Co.,Ltd. |
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TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20221024 Address after: 100094 room 402, block a, 4 / F, new materials venture building, No.7 Fenghui Middle Road, Haidian District, Beijing Patentee after: BEIJING CHAMGO NANO-TECH Co.,Ltd. Address before: 100020 2905, 25 / F, building 1, yard a 6, Shuguang Sili, Chaoyang District, Beijing Patentee before: Zhongan Yihe Biotechnology (Beijing) Co.,Ltd. |