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发明名称
CITOFONO PER POSTO ESTERNO CON COMMUTAZIONE A TASTO
摘要
申请公布号
IT7953581(V0)
申请公布日期
1979.09.21
申请号
IT19790053581U
申请日期
1979.09.21
申请人
URMET S.P.A. COSTRUZIONI ELETTRO TELEFONICHE
发明人
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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