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发明名称
CHECKING METHOD FOR 4-WIRE CONNECTIONS BETWEEN TWO SWITCHING POINTS TO BE INTERCONNECTED IN A TELECOMMUNICATION NETWORK
摘要
申请公布号
IL41504(A)
申请公布日期
1975.08.31
申请号
IL19730041504
申请日期
1973.02.09
申请人
SIEMENS ALBIS AG
发明人
分类号
H04M3/26;H04J3/00;H04L25/02;H04M3/00;H04Q3/545;H04Q11/04;(IPC1-7):H04J3/00;H04Q1/20
主分类号
H04M3/26
代理机构
代理人
主权项
地址
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