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发明名称
Sprechmaschine mit Funkspruchempfangseinrichtung
摘要
申请公布号
DE569528(C)
申请公布日期
1933.02.03
申请号
DENDATS103309D
申请日期
申请人
WALTER SEIDINGER
发明人
分类号
G11B31/00;H04B1/08
主分类号
G11B31/00
代理机构
代理人
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