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小米口罩专利近日获授权 有效提升气密性

 4 years ago
source link: https://tech.sina.com.cn/it/2020-03-25/doc-iimxxsth1596017.shtml
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新浪科技讯3月25日上午消息,天眼查专利数据显示,近日,北京小米移动软件有限公司新增口罩专利授权1项。据悉,该专利申请日期为2019年5月22日,授权日期为2020年3月17日。该口罩专利摘要显示,由于支撑骨架的立体形状与面部形状相适应,且

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