国家/地区
IPC部 B（2） F（2）
IPC大类 B01（2） F24（2）
IPC小类 B01D（2）
IPC F24F013/28（2）
发明人
公开年 2023（2）
申请年 2022（2） 
专利权人

Air purifier for use in e.g. vehicles, has foreign matter filter unit, photocatalyst filter unit and driving device for inflow and discharge of air, where photocatalytic filters are arranged around light source unit.

HWAN K J, KIM K D, PARKJUNGHOON, HWANG J Y

Fresh air device for processing graphene, has screw thread fixing sleeve passing through rod groove and fixed with outer surface of mounting ring, where inner part of ring is inserted with filter net ring.

SU Q