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发明名称
SISTEMAS TELEFONICOS DE INTERLIGACAO MULTIPLA
摘要
申请公布号
BR8107966(A)
申请公布日期
1983.08.30
申请号
BR19810007966
申请日期
1981.12.08
申请人
DISQUEAMIZADE DO BRASIL LTDA.
发明人
LUIZ CARLOS XAVIER BRAVO
分类号
H04M3/56;(IPC1-7):H04M3/56
主分类号
H04M3/56
代理机构
代理人
主权项
地址
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