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发明名称
DISPOSITIVO ELETRONICO PARA CHAMADAS TELEFONICAS
摘要
申请公布号
BR8901877(A)
申请公布日期
1990.11.06
申请号
BR1989PI01877
申请日期
1989.04.20
申请人
JAIME BONFANTE
发明人
JAIME BONFANTE
分类号
H04M1/65;(IPC1-7):H04M1/65
主分类号
H04M1/65
代理机构
代理人
主权项
地址
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