国家/地区 中国（2）
IPC部 B（2）
IPC大类 B82（2）
IPC小类 B82Y（2）
IPC
发明人
公开年 2021（2）
申请年
专利权人

Pitch-based ultrafine carbon fiber comprises specific nitrogen atom content measured by X-ray photoelectron spectroscopy, and has specified average fiber diameter and true density.

YAGI K, KOMURA S, HIRAKAWA R

Anti-ultraviolet graphene coating used for multi-stage hole structure, comprises porous graphene nanometer sheet which are interlaced with each other to form an anti-ultraviolet graphene coating with multi-level pore structure.

ZENG W