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发明名称
CHAVE MAGNETICA DE FIM DE CURSO
摘要
申请公布号
BR8003963(A)
申请公布日期
1982.03.02
申请号
BR19800003963
申请日期
1980.06.25
申请人
VALE DO RIO DOCE CO
发明人
DE OLIVEIRA C
分类号
H01H36/00;(IPC1-7):H01H36/00
主分类号
H01H36/00
代理机构
代理人
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地址
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