国家/地区 中国（2）
IPC部 B（2） D（2）
IPC大类 B32（2）
IPC小类 B32B（2） D01D（2）
IPC D01D005/24（2）
发明人
公开年
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

Laminated structure hollow micro-nano fiber non-woven material useful in e.g. field of cold protection and heat preservation, comprises upper surface layer, lower surface layer, and middle layer arranged between upper and lower layers, which are hollow nano-fiber layer with dense fibers stacked.

ZHANG W, GE J, XIE D, SHAN H, FU Q