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发明名称
Lampe d'éclairage pour mine, combinée avec une lampe de détection du grisou
摘要
申请公布号
FR1026267(A)
申请公布日期
1953.04.27
申请号
FRD1026267
申请日期
1950.10.19
申请人
DOMINITWERKE GESELLSCHAFT MIT BESCHRANKTER HAFTUNG
发明人
分类号
F21L4/00;F21V33/00
主分类号
F21L4/00
代理机构
代理人
主权项
地址
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