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发明名称
DISPOSITIVO DI INTERRUZIONE DI COR RENTE IN PARTICOLARE DI CORRENTE DI TONALITA
摘要
申请公布号
IT940421(B)
申请公布日期
1973.02.10
申请号
IT19710024935
申请日期
1971.05.25
申请人
CIT ALCATEL
发明人
分类号
H04Q3/42;(IPC1-7):H04M/
主分类号
H04Q3/42
代理机构
代理人
主权项
地址
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