发明名称 CLOSED-CIRCUIT POSITIVE PRESSURE BREATHING APPARATUS WITH PNEUMATICALLY OPERATED STORAGE CHAMBER
摘要 There is disclosed a self-contained breathing apparatus of the positive pressure type wherein there is provided a pneumatic servo mechanism responsive to a pressure sensor to drive a breathing storage chamber by expansion of an oxygen containing gas from a storage tank therefor.
申请公布号 CA2011955(A1) 申请公布日期 1991.09.12
申请号 CA19902011955 申请日期 1990.03.12
申请人 CAIRNS & BROTHER INC. 发明人 GRAY, ROBERT E.
分类号 A61M16/00;(IPC1-7):A61M16/00 主分类号 A61M16/00
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