作者: Jerry Yort , Michael Scott Tischer , Rick Allen Austin
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摘要: An apparatus having a face mask removably attachable to firefighting hood is provided. The used in cooperation with breathing such as self-contained assembly or respirator. has rim supporting seal member that operatively sealingly engages the user's providing chamber between and sealed off from external environment. compliant material enclosing wearer's head support frame surrounding front opening exposing face. matingly perimeter portion of around nested behind so prevent gaps mask. A fastener system attaches retain arrangement an attached position hood.