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发明名称
PERFECCIONAMIENTOS EN HORNOS DE CUBA PARA EL TUESTE DE PIRITAS
摘要
申请公布号
ES211061(A1)
申请公布日期
1954.12.16
申请号
ES19610002110
申请日期
1953.08.28
申请人
DUISBURGER KUPFERHUETTE
发明人
分类号
(IPC1-7):C22
主分类号
(IPC1-7):C22
代理机构
代理人
主权项
地址
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