国家/地区
IPC部 A（2）
IPC大类 A41（2）
IPC小类 A41D（2）
IPC A41D013/11（2）
发明人
公开年 2021（2）
申请年 2020（2）
专利权人

Face mask e.g. surgical mask, comprises mask component for covering wearers mouth and nose and comprising air-permeable outer layer, inner layer and graphene layer, and fastener for connecting mask component to wearer.

JANG B Z, ZHAMU A

Heat detection mask comprises mid-leaf filter cloth having four corners and four sides, upper leaf of middle leaf filter fabric and upper leaf bonded to have same edge on upper side of left and right sides and having arc-shaped sewing line.

SHIM B