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发明名称
Unidade central telefônica informatizada por acesso via elemento-senha para fornecimentos de múltiplos serviços e informações ou religações com um número limite de fornecimento por aquisitores do elemento-senha
摘要
申请公布号
BR7701645(U)
申请公布日期
1999.03.30
申请号
BR1997MU01645U
申请日期
1997.07.10
申请人
CALISTRO HORACIO FABIAN
发明人
HORACIO FABIAN CALISTRO
分类号
H04M11/08;(IPC1-7):H04M11/08
主分类号
H04M11/08
代理机构
代理人
主权项
地址
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