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发明名称
INTRODUTOR DE ESPERA TELEFONICA
摘要
申请公布号
BR7102278(U)
申请公布日期
1993.04.27
申请号
BR1991MU02278U
申请日期
1991.10.04
申请人
ROBERTO COELHO MARCONDES
发明人
ROBERTO COELHO MARCONDES
分类号
H04M3/42;(IPC1-7):H04M3/42
主分类号
H04M3/42
代理机构
代理人
主权项
地址
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