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经营范围
发明名称
Dispositif de protection contre les gaz toxiques
摘要
申请公布号
FR824346(A)
申请公布日期
1938.02.07
申请号
FRD824346
申请日期
1936.10.20
申请人
发明人
EDOUARD MAUGE ROBERT
分类号
F24F3/16
主分类号
F24F3/16
代理机构
代理人
主权项
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