国家/地区 欧洲专利局（EPO）（2）
IPC部 A（2）
IPC大类 B01（2）
IPC小类 B01D（2）
IPC B01D069/12（2）
发明人
公开年 2022（2）
申请年 2021（2）
专利权人

Mop cleaning bucket for rinsing and de-drying clean water by circulating and filtering sewage, has water column for drawing water from water purification area to clean mop cloth to form sewage that flows to water outlet through inclined surface.

WU C

Filter material, useful in face mask and/or respirator, comprises electrospun nanofiber membrane and active nanomaterial agent incorporated into the membrane, where the membrane filters disease-causing agents.

HASAN S W, MAVUKKANDY M