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发明名称
Boîte filtrante pour appareils respiratoires et autres applications et son procédé de chargement
摘要
申请公布号
FR41237(E)
申请公布日期
1932.12.02
申请号
FRD41237
申请日期
1931.06.11
申请人
发明人
FERNEZ MAURICE
分类号
A62B23/00
主分类号
A62B23/00
代理机构
代理人
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