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发明名称
Procédé d'inhalation d'oxygène et masques pour le mettre en oeuvre
摘要
申请公布号
FR848126(A)
申请公布日期
1939.10.24
申请号
FRD848126
申请日期
1938.12.29
申请人
发明人
SPENGLER EMILE
分类号
A61M16/06
主分类号
A61M16/06
代理机构
代理人
主权项
地址
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