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发明名称
UN PERFECCIONAMIENTO EN EL CAMBIADOR DE CALOR DE TUBOS MOLDEADOS
摘要
申请公布号
ES226877(A1)
申请公布日期
1956.04.16
申请号
ES19770002268
申请日期
1956.02.22
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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