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发明名称
MULTI-COMBINADOR ELETRICO-ELETRONICO PARA AFERICAO DE TESTES DO TIPO MULTIPLA ESCOLHA
摘要
申请公布号
BR7602963(A)
申请公布日期
1977.11.16
申请号
BR19760002963
申请日期
1976.05.11
申请人
HALASZ I;SANTOS J
发明人
HALASZ I;SANTOS J
分类号
G09B7/06;(IPC1-7):G09B7/06
主分类号
G09B7/06
代理机构
代理人
主权项
地址
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