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Nanofiber filter facemasks and cabin filters

Summary: 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.

Industry: Electronics

Sub Category: 3C/Gadgets

Application No.: US2007740513A

Others: LEUNG Woon-fong, Wallace

Country/Region: USA

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