国家/地区 中国（2）
IPC部 B（2）
IPC大类 B01（2）
IPC小类 B01D（2）
IPC B01D046/00（2）
发明人
公开年 2021（2）
申请年 2021（2）
专利权人

Gas anti-reflux device for graphene carbon fiber production, has bracket whose top portion is provided with water storage tank, and filter box whose inner portion is formed with filter blocks, where side of filter box is made with exhaust pipe.

WU Y, HE C, ZHANG Y

Device used for purifying oil fume, comprises housing, and filter layer mesh three-layer structure comprising antibacterial and antiviral metal mesh and photocatalytic layer, longitudinally provided in housing.

CHEN G, YU H, LI M