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发明名称
Improvements in fluid flow control devices for respirators
摘要
申请公布号
GB935911(A)
申请公布日期
1963.09.04
申请号
GB19610005702
申请日期
1961.02.15
申请人
LA SPIROTECHNIQUE
发明人
COUSTEAU JACQUES YVES;GAGNAN EMILE;GRUGET ANDRE
分类号
A62B9/02;B63C11/22
主分类号
A62B9/02
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代理人
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