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发明名称
TELEPHONE INTERFACE CIRCUIT
摘要
申请公布号
EP0484051(A3)
申请公布日期
1993.08.18
申请号
EP19910309838
申请日期
1991.10.24
申请人
RAYTHEON COMPANY
发明人
KHUAT, CHUCK DANG
分类号
H04M1/00;H04M1/738;H04M3/00;H04M3/22;H04M7/00;H04Q3/42;H04Q11/04;(IPC1-7):H04M3/00
主分类号
H04M1/00
代理机构
代理人
主权项
地址
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