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发明名称
MEJORAS INTRODUCIDAS EN LA PATENTE PRINCIPAL NuMERO 147.773
摘要
申请公布号
ES150651(A2)
申请公布日期
1942.06.01
申请号
ES19510001506
申请日期
1940.10.18
申请人
HERCULES, SOCIEDAD LIMITADA
发明人
分类号
(IPC1-7):H01T
主分类号
(IPC1-7):H01T
代理机构
代理人
主权项
地址
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