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公开(公告)号:US3442427A
公开(公告)日:1969-05-06
申请号:US3442427D
申请日:1966-12-14
Applicant: AGA AB
Inventor: ARNELL JON ARNE , JANSSON BERNT INGE
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2.Breathing apparatus for supplying a pair of gases in adjustable proportion 失效
Title translation: 用于在可调节比例中供应气体对的呼吸装置公开(公告)号:US3429326A
公开(公告)日:1969-02-25
申请号:US3429326D
申请日:1966-11-18
Applicant: AGA AB
Inventor: ARNELL JON ARNE , JOHANNISSON DAG OLOF ALFRED
CPC classification number: A62B7/14 , A61M16/104 , Y10T137/2514
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