CN208968970U - 一种口罩呼吸气阻力自动切换测试仪 - Google Patents
一种口罩呼吸气阻力自动切换测试仪 Download PDFInfo
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- CN208968970U CN208968970U CN201821536082.1U CN201821536082U CN208968970U CN 208968970 U CN208968970 U CN 208968970U CN 201821536082 U CN201821536082 U CN 201821536082U CN 208968970 U CN208968970 U CN 208968970U
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CN201821536082.1U CN208968970U (zh) | 2018-09-20 | 2018-09-20 | 一种口罩呼吸气阻力自动切换测试仪 |
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GR01 | Patent grant | ||
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Effective date of registration: 20200916 Address after: 200000 Building 2, No. 6488 Tingwei Road, Jinshan District, Shanghai (Hangzhou Bay North Bank Industrial Park) Patentee after: Shanghai Shaoyun information technology consulting center Address before: 215010 No. 88 Zhenbei Road, Tong'an Town, Suzhou High-tech Zone, Jiangsu Province Patentee before: SUZHOU BAJIUYUHAO MATERIAL TECHNOLOGY Co.,Ltd. |
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CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190611 Termination date: 20210920 |