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发明名称
Elektrischer Signalempfänger, insbesondere Tonfrequenzsignalempfänger
摘要
申请公布号
AT173736(B)
申请公布日期
1953.01.26
申请号
ATD173736
申请日期
1951.01.06
申请人
VEREINIGTE TELEPHON- UND TELEGRAPHENFABRIKS-AKTIENGESELLSCHAFT CZEIJA, NISSL & CO.
发明人
分类号
主分类号
代理机构
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