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发明名称
Elektrische Taschenlampe beliebiger Form
摘要
申请公布号
DE639631(C)
申请公布日期
1936.12.09
申请号
DENDATG090267D
申请日期
申请人
LUDWIG GERL
发明人
分类号
F21V33/00
主分类号
F21V33/00
代理机构
代理人
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