国家/地区 中国（2）
IPC部 B（2）
IPC大类 F26（2）
IPC小类 F26B（2）
IPC F26B023/06（2）
发明人
公开年 2022（2）
申请年
专利权人

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

Graphene film preparation device, has cleaning and drying box whose side surface is provided with negative pressure device, and adjustable drying equipment installed on side surface of processing channel of cleaning and drying box away from edge chamfered boss.

DENG Z, LI P, XIAO G, XIONG S