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发明名称
TRUNK CIRCUITS
摘要
申请公布号
GB2183426(A)
申请公布日期
1987.06.03
申请号
GB19860012353
申请日期
1986.05.21
申请人
* MITEL CORPORATION
发明人
ZBIGNIEW BOLESLAV * STYRNA;DOUGLAS C * ODDY
分类号
H04M7/14;H04M7/00;H04M7/04;H04M7/10;H04M19/00;H04Q3/42;(IPC1-7):H04M19/00
主分类号
H04M7/14
代理机构
代理人
主权项
地址
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