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发明名称
Schaltungsanordnung fuer Fernmeldevermittlungsanlagen, insbesondere Nebenstellenanlagen, zum Aufbau einer Rueckfrageverbindung
摘要
申请公布号
DE1300153(B)
申请公布日期
1969.07.31
申请号
DE1962A039317
申请日期
1962.01.29
申请人
AUTOMATIC ELECTRIC LABORATORIES INC.
发明人
K. MELVIN, DONALD;F. KOWALIK, RONALD;P. SANDERS, RICHARD;G. VAN BOSSE, JOHN;R. WEDMORE, WILLIAM
分类号
H04M7/10;H04Q3/52;(IPC1-7):H04M3/38
主分类号
H04M7/10
代理机构
代理人
主权项
地址
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