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发明名称
改良マスク
摘要
<p>【課題】長期間着用しても苦痛がなく、安価で、気密性も良いマスクを提供する。【解決手段】1本の紐がマスク本体をまわって2ヶ所のみ固定され、紐を頭に廻して、マスクを装着する。【選択図】図1</p>
申请公布号
JP3170684(U)
申请公布日期
2011.09.29
申请号
JP20110002211U
申请日期
2011.04.20
申请人
須江 一則
发明人
須江一則
分类号
A62B18/02
主分类号
A62B18/02
代理机构
代理人
主权项
地址
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