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发明名称
Verschluss fuer Grubensicherheitsleuchten
摘要
申请公布号
DE632994(C)
申请公布日期
1936.07.17
申请号
DENDATF078909D
申请日期
申请人
FRIEMANN & WOLF G.M.B.H.
发明人
分类号
F21L23/00
主分类号
F21L23/00
代理机构
代理人
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