国家/地区
IPC部 B（2）
IPC大类 B32（2）
IPC小类 B32B（2）
IPC D01D005/24（2）
发明人
公开年 2023（2）
申请年 2022（2） 
专利权人

Hollow carbon fiber tube, formed by winding composite material body, composite material body comprising multiple carbon fiber prepreg layers; and one graphene-containing resin layer, where each of graphene-containing resin layer is disposed between two adjacent carbon fiber prepreg layers.

LI M, LIOU S, LIU S

Multi-layer structured fiber composite for fillers containing functional hollow fibers, comprises upper fiber layer and lower fiber layer, which are combined with each other on middle fiber layer to form integrated fiber composite.

TAK B H, CHOI W, AHN Y J