Nanofiber filter facemasks and cabin filters
- 总结
- A filtration medium includes a fine filter layer having a plurality of nanofibers and a coarse filter layer having a plurality of microfibers attached to the fine filter layer. The coarse filter layer is positioned proximal to a direction of fluid flow, and the fine filter layer is positioned distal to the direction of fluid flow.
- 主要类别
- 电子
- 细分类别
- 计算机，通信和消费电子产品 /小工具
- 申请号码
- US2007740513A
- 其他
- LEUNG Woon-fong, Wallace
- 国家/地区
- 美国
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