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发明名称
MEJORAS EN LA PATENTE PRINCIPAL
摘要
申请公布号
ES187750(A2)
申请公布日期
1949.07.16
申请号
ES19500001877
申请日期
1949.03.31
申请人
LLOBET SERRET, JUAN
发明人
分类号
(IPC1-7):A41
主分类号
(IPC1-7):A41
代理机构
代理人
主权项
地址
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