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发明名称
PERFEZIONAMENTO RELATIVO AI DISPOSITIVI RIPETITORI DI CHIAMATA TELEFONICA
摘要
申请公布号
IT1233201(B)
申请公布日期
1992.03.16
申请号
IT19890067797
申请日期
1989.09.27
申请人
TRUCCO S.P.A.
发明人
TRUCCO FELICE
分类号
H04M;(IPC1-7):H04M/
主分类号
H04M
代理机构
代理人
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地址
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