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发明名称
METHOD FOR USE IN A P.A.B.X.TELEPHONE EXCHANGE
摘要
申请公布号
IL59731(A)
申请公布日期
1983.07.31
申请号
IL19800059731
申请日期
1980.03.28
申请人
SIEMENS AG
发明人
分类号
H04M7/14;H04Q3/00;(IPC1-7):H04M3/42
主分类号
H04M7/14
代理机构
代理人
主权项
地址
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