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发明名称
Appareil avec filtre interchangeable pour les cartouches des masques à gaz
摘要
申请公布号
FR862372(A)
申请公布日期
1941.03.05
申请号
FRD862372
申请日期
1939.12.16
申请人
发明人
HETTINGER VICTOR
分类号
A62B23/00
主分类号
A62B23/00
代理机构
代理人
主权项
地址
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