国家/地区 中国（2）
IPC部 B（2）
IPC大类 B08（2）
IPC小类 B08B（2）
IPC F26B005/14（2）
发明人
公开年 2022（2）
申请年
专利权人

Water washing device e.g. graphene water washing device, has supporting seat whose inner side is provided with water discharging roller, front side of supporting seat provided with motor, and water absorbing roller comprising supporting layer.

LIU P, WU X

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