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发明名称
Gruppenauswahleinrichtung mit Eingangs- und Ausgangsstufe und dazwischenliegenden Mischbuendeln in Fernmelde-, insbesondere Fernsprechanlagen
摘要
申请公布号
DE1003281(B)
申请公布日期
1957.02.28
申请号
DE1956I011253
申请日期
1956.02.03
申请人
INTERNATIONAL STANDARD ELECTRIC CORPORATION
发明人
HENQUET ANDRE J.;PERROT JEAN J.
分类号
H04M3/36;H04Q3/00
主分类号
H04M3/36
代理机构
代理人
主权项
地址
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