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发明名称
Einrichtung zum selektiven stoerungsfreien Empfang elektromagnetischer Wellen
摘要
申请公布号
DE515049(C)
申请公布日期
1931.01.03
申请号
DE1929ST46157D
申请日期
1929.07.18
申请人
ELEKTROTECHNISCHER TRUST DER SCHWACHSTROMWERKE "ELEKTROSWIAS"
发明人
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主分类号
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