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发明名称
Leichter Tonabnehmer.
摘要
申请公布号
AT148675(B)
申请公布日期
1937.02.25
申请号
ATD148675
申请日期
1936.04.04
申请人
TELEFUNKEN GESELLSCHAFT FUER DRAHTLOSE TELEGRAPHIE M. B. H.
发明人
分类号
主分类号
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代理人
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