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（3）
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 plating graphene on oil cylinder comprises graphene generator, filter, waste water tank, circulating pump suction pipe, graphene electroplating tank, outlet pipe, oil cylinder sleeve electroplating mechanism and piston rod electroplating mechanism.

DU W

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

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