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发明名称
CIRCUIT ARRANGEMENT FOR CONNECTING TO TESTING EQUIPMENT OF ELECTRONIC EXCHANGE A SUBSCRIBER TERMINAL UNIT
摘要
申请公布号
PL154459(B1)
申请公布日期
1991.08.30
申请号
PL19860259327
申请日期
1986.05.05
申请人
发明人
分类号
H04M3/22;H04Q1/22;(IPC1-7):H04M3/22
主分类号
H04M3/22
代理机构
代理人
主权项
地址
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