国家/地区 欧洲专利局（EPO）（2）
IPC部 D（2）
IPC大类 D01（2）
IPC小类 D01D（2）
IPC D01F001/10（2）
发明人
公开年 2021（2）
申请年
专利权人

Processing coal, comprises e.g. subjecting raw coal to liquefaction process effective to form pitch resin, and subjecting the pitch resin to variable crystallinity spinning process effective to form raw fiber.

TARGETT M, YURCHICK C L

Monofilament string used for racket e.g. tennis racket, comprises core comprising single filament, and sheath containing polyamide, graphene and graphane nanoparticles extending around core in contact with core.

DUVAL S