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发明名称
Call eavesdropping arrangement
摘要
申请公布号
AU674994(B2)
申请公布日期
1997.01.16
申请号
AU19940074298
申请日期
1994.09.28
申请人
AT&T CORP.
发明人
ROBERT DEAN REEDER
分类号
H04M3/50;H04M3/00;H04M3/22;H04M3/42;H04M3/493;H04M3/533;H04Q11/04;(IPC1-7):H04M3/58
主分类号
H04M3/50
代理机构
代理人
主权项
地址
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