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发明名称
BLOQUEADOR TELEFONICO SIMPLIFICADO DE CHAMADAS ORIGINAIS
摘要
申请公布号
BR7000734(U)
申请公布日期
1991.11.19
申请号
BR1990MU00734U
申请日期
1990.04.26
申请人
MARIA EDNOLIA MAIA
发明人
MARIA EDNOLIA MAIA
分类号
H04M1/66;(IPC1-7):H04M1/66
主分类号
H04M1/66
代理机构
代理人
主权项
地址
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