国家/地区 中国（2）
IPC部 B（2）
IPC大类 B07（2）
IPC小类 B07B（2）
IPC F26B025/02（2）
发明人 ZHAN F（2）
公开年 2022（2）
申请年 2022（2） 
专利权人 ANHUI INNOVA.（2）

Nitrogen-doped graphene composite electrode preparation device has supporting table rotatably provided with operation piece raw material, where supporting table is fixed with first driving piece for driving operation of operation piece.

CHEN C, SUN X, BAO L, ZHAN F, WANG Q

Raw material processing device for nano-particle graphene composite catalyst preparation, has moving piece that is matched with cover plate to form cylinder, and is rotatably provided with frame body for sieving raw material.

PI X, WANG R, ZHAN F, WANG Q, BAO L