专利名称：Respiratory protection device发明人：Yoshimitsu Mashiko申请号：US14406971申请日：20130603公开号：US10010728B2公开日：20180703
专利附图：
摘要：A respiratory protection device in which a plurality of filter units are provided. Arespiratory protection device includes a plurality of filter units. Air flow paths that extendto the facepiece are provided in respective filter units. An inhalation port leading in thefacepiece is provided at a portion where the air flow paths merge. The inhalation port can
be temporarily closed by using an inspection valve included in the fit checker.
申请人：KOKEN LTD.
地址：Chiyoda-ku, Tokyo JP
国籍：JP
代理机构：Hauptman Ham, LLP
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