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发明名称
UNIDADE ELETRONICA PARA ACIONAMENTO DE VALVULAS DE CONTROLE ELETROMAGNETICO
摘要
申请公布号
BR8006474(A)
申请公布日期
1981.04.07
申请号
BR19800006474
申请日期
1980.10.08
申请人
COMPANHIA SIDERURGICA NACIONAL
发明人
DE FARIA DUTRA H;COUTINHO R
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主分类号
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代理人
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