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发明名称
REPLACEMENT SWITCH
摘要
申请公布号
EP0371570(A3)
申请公布日期
1991.01.30
申请号
EP19890250065
申请日期
1989.10.27
申请人
DSC COMMUNICATIONS CORPORATION
发明人
SCHRODT, DUANE EDWARD;WILSON, DAVID DEE
分类号
H04Q11/04;(IPC1-7):H04Q11/04;H04Q3/545
主分类号
H04Q11/04
代理机构
代理人
主权项
地址
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