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发明名称
MEJORAS INTRODUCIDAS EN LA PATENTE PRINCIPAL
摘要
申请公布号
ES117471(A2)
申请公布日期
1930.05.16
申请号
ES19710001174
申请日期
1930.03.29
申请人
ALONSO CANALEJAS, JOSE
发明人
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主分类号
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