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发明名称
TELEPHONE LOOP INTERRUPTION DIALLING CIRCUIT
摘要
申请公布号
AU532238(B2)
申请公布日期
1983.09.22
申请号
AU19810075422
申请日期
1981.09.17
申请人
SIEMENS A.G.
发明人
LOTHAR MERZ
分类号
H04M7/00;H04M7/14;(IPC1-7):H04M1/31
主分类号
H04M7/00
代理机构
代理人
主权项
地址
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