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发明名称
Einrichtung zur Phasenverzögerung und zur Einstellung der Frequenzcharakteristik in einem Zeichenkanal zur Übertragung von Zeichenspannungen
摘要
申请公布号
AT193447(B)
申请公布日期
1957.11.25
申请号
ATD193447
申请日期
1956.06.11
申请人
HAZELTINE CORPORATION
发明人
分类号
主分类号
代理机构
代理人
主权项
地址
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