国家/地区 中国（3）
IPC部 C（3）
IPC大类 C25（3） H05（2）
IPC小类 C25D（3）
IPC C25D009/04（2） C25D017/00（2） H05K003/18（2）
发明人 DU W（3）
公开年 2021（3）
申请年 2020（2） 
专利权人 SHANGHAI DIB.（3）

Device for printing circuit board by graphene, has conductive foil electrode line connected with metal foil sheet set in insulating plate assembly, and graphite sheet whose top end is connected with graphite sheet electrode line.

DU W

Lithium fast charging battery metal foil graphene material manufacturing device comprises frame, bracket, two linear guide rails, lifting plate, supporting rod, motor pressure regulating tail seat, worm wheel box, and elastic pressure gauge.

DU W

Device for manufacturing nano-circuit board, comprises insulating material barrel, where top surface of insulating material barrel is provided with transverse supporting one and transverse supporting two with longitudinal supporting one.

DU W, DU M