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SURGICAL MASK
专利权人:
Ltd.;Caleb Co.
发明人:
Kyungkil YOO
申请号:
US15807592
公开号:
US20180177251A1
申请日:
2017.11.09
申请国别(地区):
US
年份:
2018
代理人:
摘要:
A surgical mask includes a hooded cover unit including a head cover and a shoulder cover; a fixing unit including a U-shaped support frame and an elastic band; a rotation frame engaged rotatably with both ends of the support frame, disposed outside the head cover, and extended curvedly along a front of the face; and a transparent cover shield mounted to the rotation frame, for covering an upper part of the face.
来源网站:
中国工程科技知识中心
来源网址:
http://www.ckcest.cn/home/

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