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发明名称
PERFECCIONAMIENTOS EN LOS SISTEMAS TELEFONICOS
摘要
申请公布号
ES530736(D0)
申请公布日期
1985.02.01
申请号
ES19360005307
申请日期
1984.03.16
申请人
ITALTEL SOCIETA ITALIANA TELECOMUNICAZIONI S.P.A.
发明人
分类号
H04M1/673;(IPC1-7):H04M1/66
主分类号
H04M1/673
代理机构
代理人
主权项
地址
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