国家/地区 中国（2）
IPC部 B（2）
IPC大类 B01（2）
IPC小类 B01D（2）
IPC
发明人 WANG H（2）
公开年
申请年
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

Graphene filter paper for the laboratory, has a micro-porous filtering film layer that is provided with multiple graphite layers provided with a filter medium solution.

CHANG J, DUAN X, GUO X, LIU T, WANG H, ZHANG L