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发明名称
SISTEMA ELETRONICO QUE PERMITE LIGAR UMA SECREATRIA ELECTRONICA EM DUAS LINHAS TELEFONICAS COM TERMINAIS DIVERSOS
摘要
申请公布号
BR9103594(A)
申请公布日期
1993.03.30
申请号
BR1991PI03594
申请日期
1991.08.19
申请人
ARTURO GAGLIARDI
发明人
ARTURO GAGLIARDI
分类号
H04M3/50;(IPC1-7):H04M3/50
主分类号
H04M3/50
代理机构
代理人
主权项
地址
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