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发明名称
A SIGNALLING CONVERTER CIRCUIT ARRANGEMENT FOR THE EMISSION OF DC SIGNAL INFORMATION
摘要
申请公布号
AU554148(B2)
申请公布日期
1986.08.07
申请号
AU19830016892
申请日期
1983.07.15
申请人
SIEMENS AG.
发明人
JOHANN SONTHEIM
分类号
H03M1/82;H04M7/00;H04Q1/32;H04Q1/50;H04Q3/42;(IPC1-7):H04M7/00;H04Q11/04
主分类号
H03M1/82
代理机构
代理人
主权项
地址
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