国家/地区 中国（2）
IPC部 B（2）
IPC大类 B08（2）
IPC小类 B08B（2）
IPC
发明人
公开年 2023（2）
申请年 2022（2）
专利权人

Foaming machine for producing graphene polystyrene board, has rotating rod whose peripheral side is fixedly connected with plate bodies, where one side of plate body is provided with straight slot.

TIAN M, LIU P

Rolling device for graphene film, has machine body whose inner portion is provided with transmission mechanism, where output end of power mechanism is connected with one end of conveying roller.

XU L