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发明名称
PERFECCIONAMIENTOS EN LOS SISTEMAS RECUPERADORES DE CALOR
摘要
申请公布号
ES500002(D0)
申请公布日期
1982.09.01
申请号
ES20020005000
申请日期
1981.03.03
申请人
DAUDIGNON FRANCIS
发明人
分类号
F24B7/00;(IPC1-7):24B7/00
主分类号
F24B7/00
代理机构
代理人
主权项
地址
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