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发明名称
TECLADO DE MARCACAO POR IMPULSOS DECIMAIS
摘要
申请公布号
BR8007675(A)
申请公布日期
1981.06.09
申请号
BR19808007675
申请日期
1980.11.25
申请人
AMPER SA
发明人
GONZALES C
分类号
G06F3/023;H04M1/272;(IPC1-7):H04M1/272
主分类号
G06F3/023
代理机构
代理人
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