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发明名称
PERFECCIONAMIENTOS EN LA CONSTRUCCIoN DE TUBOS DE CAMBIADORES DE CALOR DE ALETAS LONGITUDINALES
摘要
申请公布号
ES238263(A1)
申请公布日期
1958.04.01
申请号
ES19630002382
申请日期
1957.10.25
申请人
HUET, ANDRE
发明人
分类号
(IPC1-7):F28
主分类号
(IPC1-7):F28
代理机构
代理人
主权项
地址
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