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经营范围
发明名称
Lampe électrique de mineur
摘要
申请公布号
FR856969(A)
申请公布日期
1940.08.19
申请号
FRD856969
申请日期
1939.06.28
申请人
FRIEMANN & WOLF GESELLSCHAFT MIT BESCHRANKTER HAFTUNG
发明人
分类号
F21L4/00
主分类号
F21L4/00
代理机构
代理人
主权项
地址
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