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发明名称
COORDINATED TRANSFER OF VOICE AND INFORMATION THROUGH A NETWORK OF DIGITAL SWITCHES
摘要
申请公布号
EP0377394(A3)
申请公布日期
1992.09.09
申请号
EP19890480180
申请日期
1989.12.06
申请人
INTERNATIONAL BUSINESS MACHINES CORPORATION
发明人
BAKER, WILLIAM THOMAS, JR.;BUFFUM, CHARLES MICHAEL;JOLISSAINT, CHARLES HENRY;KERLIN, GREGG WILLIAM
分类号
H04M3/42;H04M3/50;H04M3/51;H04Q11/04;(IPC1-7):H04M3/50;H04M3/58
主分类号
H04M3/42
代理机构
代理人
主权项
地址
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