国家/地区 中国（2）
IPC部 B（2）
IPC大类 B02（2） B07（2）
IPC小类 B02C（2）
IPC B02C004/08（2）
发明人
公开年
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 lithium battery recycling device, has powder collecting chamber provided with first discharging port, and filter screen provided with opening, where bottom end of opening is provided with sleeve that is provided with second discharging port.

WANG T