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FACE MASK
专利权人:
NAKAMURA; KENJI
发明人:
NAKAMURA, KENJI,NAKAMURA, KOJI
申请号:
EP09717717
公开号:
EP2263495A4
申请日:
2009.02.20
申请国别(地区):
EP
年份:
2013
代理人:
摘要:
A face mask that has tab parts at opposing positions approximately on an upper side of the face shape, and a ridge-folded part and a valley-folded part are alternately folded in a lateral direction of the face and further folded perpendicularly to these folding lines, where the tab parts are folded in a manner projecting outward, so that the face mask having such fold structures can easily be spread out.
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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