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发明名称
PERFECCIONAMIENTOS EN EL OBJETO DE LA PATENTE NUM. 167246
摘要
申请公布号
ES169063(A2)
申请公布日期
1945.05.16
申请号
ES19630001690
申请日期
1945.02.27
申请人
SALCEDO GUMUCIO, RICARDO
发明人
分类号
(IPC1-7):H02
主分类号
(IPC1-7):H02
代理机构
代理人
主权项
地址
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