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发明名称
Vorrichtung zur plastischen Wiedergabe von Radio- und anderen Darbietungen
摘要
申请公布号
DE500303(C)
申请公布日期
1930.06.20
申请号
DE1928L073216D
申请日期
1928.10.23
申请人
SIEGMUND LIPPER
发明人
分类号
G10K15/10;H03F13/00
主分类号
G10K15/10
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