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发明名称
Verfahren und Einrichtung zur Geheimhaltung elektrisch uebermittelter Signale
摘要
申请公布号
DE1190995(B)
申请公布日期
1965.04.15
申请号
DE1960E020306
申请日期
1960.12.12
申请人
ING. LEOPOLD ETZLER
发明人
ETZLER ING. LEOPOLD
分类号
H04K1/04
主分类号
H04K1/04
代理机构
代理人
主权项
地址
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