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经营范围
发明名称
Aparato para la protección de transformadores eléctricos en aceite.
摘要
申请公布号
ES19725(U)
申请公布日期
1949.05.16
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
代理机构
代理人
主权项
地址
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