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发明名称
PERFECCIONAMIENTOS EN LOS ELEMENTOS PARA FORMACIËN DE CALDERAS DE CALEFACCIËN
摘要
申请公布号
ES303261(A1)
申请公布日期
1965.01.01
申请号
ES19610003032
申请日期
1964.08.10
申请人
VALLS VICENT, MANUEL;BERTRONCINI, NORBERTO
发明人
分类号
F24D;(IPC1-7):F24D
主分类号
F24D
代理机构
代理人
主权项
地址
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