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发明名称
Fremgangsmaade ved Fremstilling af indvendigt spejlbelagte, elektriske Glødelamper.
摘要
申请公布号
DK55617(C)
申请公布日期
1938.12.27
申请号
DKD55617
申请日期
1937.10.16
申请人
DANSK GLOEDELAMPEFABRIK A/S
发明人
OTTO WAGNER
分类号
主分类号
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