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发明名称
MEJORAS INTRODUCIDAS EN LA PATENTE PRINCIPAL NuMERO 155520
摘要
申请公布号
ES165858(A2)
申请公布日期
1944.06.01
申请号
ES19580001658
申请日期
1944.05.03
申请人
FUENTES GOMARA, ALFREDO;FUENTES AMEZOLA, ALBERTO
发明人
分类号
(IPC1-7):B42
主分类号
(IPC1-7):B42
代理机构
代理人
主权项
地址
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