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发明名称
Oxygen dispensing device and nose piece combination
摘要
申请公布号
US2860634(A)
申请公布日期
1958.11.18
申请号
US19550509234
申请日期
1955.05.18
申请人
RESEARCH LABORATORIES, INC.
发明人
DUNCAN JAMES G.;TRAMBLEY LEO E.
分类号
A61M15/00;A61M15/08;A62B7/00
主分类号
A61M15/00
代理机构
代理人
主权项
地址
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