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发明名称
Aparato para la protección de transformadores eléctricos en aceite.
摘要
申请公布号
ES19725(Y)
申请公布日期
1949.09.01
申请号
ES19250000197U
申请日期
1949.04.18
申请人
LÓPEZ CALLEJA, LUIS
发明人
分类号
主分类号
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代理人
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