发明申请
US20140331623A1 COLLAPSIBLE AIR FILTERING DEVICE 有权
可拆卸空气过滤装置

COLLAPSIBLE AIR FILTERING DEVICE
摘要:
A collapsible device for filtering air comprising a base, a fan functionally attached to the base, an air filter releasably attached to the base, and a substantially air impermeable outer sleeve is provided.
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