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发明名称
Couvercle de boîte de masque à gaz, avec feux électriques changeables
摘要
申请公布号
FR864425(A)
申请公布日期
1941.04.26
申请号
FRD864425
申请日期
1939.12.09
申请人
发明人
FRANCOIS SPIELMANN, LOUIS, MARIE,
分类号
F21V17/02;F21V33/00
主分类号
F21V17/02
代理机构
代理人
主权项
地址
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