国家/地区 中国（2）
IPC部 B（2）
IPC大类 B08（2）
IPC小类 B08B（2）
IPC B08B005/04（2）
发明人
公开年
申请年 2021（2）
专利权人

Sealing device for production of graphene film, has base whose one side upper end is welded with supporting column and upper end of base is provided with dust-removing mechanism.

FU J

Graphene radiating fin cleaning device for processing smart mobile phone, has drying box whose side wall is provided with winding device for making radiating fin main housing rewinding, cleaning tank is provided with cleaning liquid, radiating fin main housing is immersed in cleaning liquid.

CHEN X