国家/地区 美国（2）
IPC部 A（2）
IPC大类 B01（2）
IPC小类 B01D（2）
IPC
发明人
公开年 2022（2）
申请年
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

Graphene-based personnel protection equipment product used in personnel protection equipment such as filtration device, mask, glove and face shield, comprises fabric, clothing, face shield or glove body configured to support graphene sheets.

JANG B Z, ZHAMU A