国家/地区 中国（2）
IPC部 D（2）
IPC大类 D06（2）
IPC小类 D06B（2）
IPC
发明人 WANG J（2）
公开年 2021（2）
申请年 2021（2） 
专利权人

Gas diffusion layer formed by carbon fiber and graphene combination, comprises carbon fiber monofilament and graphene composite formed porous ventilating conductive carbon material layer.

WANG J

Graphene coating industrial yarn production device, has wire drawing roller surface coaxially mounted with coating assembly, where coating assembly is rotatably mounted on surface of roller through adjusting device.

WANG J, WANG X, WANG H, MA J, JIN L