国家/地区 中国（2）
IPC部 D（2）
IPC大类 D03（2）
IPC小类 D03D（2）
IPC
发明人 WANG H（2）
公开年
申请年 2020（2）
专利权人

Seamless cylindrical filter bag is consists of first non-woven fabric, cylindrical cloth, second non-woven fabric and polytetrafluoroethylene microporous membrane are compounded.

GU K, YANG Z, GONG Z, CAO Q, WU J, WANG H, GU Y, WANG Z, ZHANG J

Warp tension adjusting device for graphene fabric spinning, has yarn barrel that is provided with yarn connected to adjusting mechanism provided on top of casing and trigger mechanism is provided between guide and adjusting mechanisms.

JIANG Z, ZHANG Z, GUO Z, QI Y, JIA Z, WANG H, WANG Q, PU C, DING Z