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发明名称
Schaltung zur Überwachung der Wählimpulssignale auf einer Fernsprechleitung einer automatischen Fernsprechanlage
摘要
申请公布号
CH518663(A)
申请公布日期
1972.01.31
申请号
CH19700013910
申请日期
1970.09.18
申请人
GNT AUTOMATIC A/S
发明人
SOREN MADSEN,NIELS
分类号
H04Q1/32;(IPC1-7):H04Q3/04
主分类号
H04Q1/32
代理机构
代理人
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地址
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