国家/地区 中国（2）
IPC部 B（2）
IPC大类 B32（2）
IPC小类 B32B（2）
IPC
发明人 DUAN X（2）
公开年
申请年
专利权人

Manufacturing non-woven fabric comprises e.g. immersing semi-finished product treated with second immersion liquid in dark place, and irradiating with ultraviolet lamp, taking out, washing, and drying.

DUAN X

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