国家/地区 中国（2）
IPC部
IPC大类
IPC小类
IPC
发明人 WANG T（2）
公开年 2021（2）
申请年 2020（2） 
专利权人 WANG T（2）

Graphene battery production upper film device, has base fixedly connected with bracket that is provided with fixing plate, where base is provided with clamping mechanism that is matched with upper film piece and limiting mechanism.

WANG T

Graphene battery material grinding structure, has motor whose output shaft is fixedly connected with grinding disk, and box body provided with discharging port, where grinding disk and grinding table are matched with each other.

WANG T