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发明名称
SISTEMA PER LA CONNESSIONE DI TELEFONI ANALOGICI A CONTRALI DI COMMUTAZIONE NUMERICHE
摘要
申请公布号
IT1139776(B)
申请公布日期
1986.09.24
申请号
IT19810025131
申请日期
1981.11.17
申请人
TELETTRA TELEFONIA ELETTRONICA & RADIO SPA
发明人
FRANCHI ROBERTO M;MOLINARI ALCIDE M
分类号
H04M;(IPC1-7):H04M/
主分类号
H04M
代理机构
代理人
主权项
地址
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