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发明名称
PERFECCIONAMIENTOS EN CALDERAS DE CALEFACCIËN CENTRAL
摘要
申请公布号
ES312442(A3)
申请公布日期
1966.01.01
申请号
ES19420003124
申请日期
1965.04.30
申请人
HYGASSA, HORNOS Y GASOGENOS, SOCIEDAD ANENIMA
发明人
分类号
F24H;(IPC1-7):F24H
主分类号
F24H
代理机构
代理人
主权项
地址
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