发明名称 Face mask for diver
摘要 A face mask for diving includes a pair of front lenses and a nose cover formed by a portion of a skirt between these lenses. Proximal ends of the nose cover and a portion of the skirt being contiguous to these proximal ends are curved along the lens frame with the lenses held therein closely in contact with an inner peripheral surface and an inner surface of the lens frame.
申请公布号 US2001014982(A1) 申请公布日期 2001.08.23
申请号 US20010785912 申请日期 2001.02.16
申请人 KAWASHIMA HARUO;FUJIMA TARO 发明人 KAWASHIMA HARUO;FUJIMA TARO
分类号 A63B33/00;B63C11/12;(IPC1-7):A61F9/02 主分类号 A63B33/00
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