国家/地区 中国（2）
IPC部 B（2）
IPC大类 B07（2）
IPC小类 B07B（2）
IPC B07B001/42（2）
发明人 CHEN J（2）
公开年 2021（2）
申请年 2020（2） 
专利权人

Grinding device for graphene lubricating oil, has grinding box whose inner part is provided with grinding mechanism, where side of grinding box is provided with grinding feeding mechanism and front side of grinding box is hinged with sealing door.

CHEN J

Graphene raw material filtering device for use in lithium electronic battery, has linkage rod whose end part is rotatably connected with end part of fixing plate through pin shaft, and bearing plate whose bottom end is provided with driving mechanism.

CHEN J, TAN F, ZHANG F