国家/地区 中国（3）
IPC部 A（3）
IPC大类 B01（3）
IPC小类 B01D（3） B32B（3） A61L（2）
IPC B01D039/14（3）
发明人
公开年 2022（2）
申请年 2021（2） 
专利权人

Glass fiber air filter material used for purifying air in automobiles, comprises modified nonwoven fabric and glass material fiber from bottom to top, formed into composite by hot-pressing.

ZHANG Z, JIA G, YANG P

Air filter cloth for air purifying device for filtering and purifying micro-particles in air, has adsorption layer composed of transverse first aramid filament and longitudinal second filament knitted with each other.

CAO W

Vehicle ventilation system for graphene composite filtering membrane, has sepiolite fiber layer formed far away from side of plant fiber layer that is arranged with silver fiber layer, where sepiolite fiber layer is formed with carbon layer.

HUANG J