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经营范围
发明名称
PERFECCIONAMIENTOS EN EL PROCEDIMIENTO PARA LA FABRICACIoN DE FLOTADORES DE CORCHO AGLOMERADO, OBJETO DE LA PATENTE PRINCIPAL
摘要
申请公布号
ES121876(A2)
申请公布日期
1931.03.16
申请号
ES19760001218
申请日期
1931.02.17
申请人
COMPANIA GENERAL DEL CORCHO S. A. E.
发明人
分类号
(IPC1-7):B27
主分类号
(IPC1-7):B27
代理机构
代理人
主权项
地址
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