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发明名称
Verfahren zur Leitweglenkung in einem Fernsprechnetz
摘要
申请公布号
DE1487624(A1)
申请公布日期
1969.01.16
申请号
DE19661487624
申请日期
1966.04.05
申请人
INTERNATIONAL STANDARD ELECTRIC CORP.
发明人
GOODWIN WRIGHT,ESMOND PHILIP
分类号
H04M3/36;H04Q3/54;H04Q3/66
主分类号
H04M3/36
代理机构
代理人
主权项
地址
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