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经营范围
发明名称
System zur elektronischen Übermittlung von Audiosignalen mit Nachrichtenadresssteuerung durch den Anwender.
摘要
申请公布号
DE3382772(D1)
申请公布日期
1995.02.02
申请号
DE19833382772
申请日期
1983.09.22
申请人
VMX INC., SAN JOSE, CALIF., US
发明人
MATTHEWS, GORDON HOUSTON, AUSTIN TEXAS 78735, US;TANSIL, THOMAS BERYL, DALLAS TEXAS 75225, US;FANNIN, MICHAEL LOWE, DALLAS TEXAS 75230, US
分类号
H04M3/533;(IPC1-7):H04M3/50;H04Q3/62
主分类号
H04M3/533
代理机构
代理人
主权项
地址
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