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发明名称
Perfeccionamentos introducidos en los cambiadores tubulares vaporizados
摘要
申请公布号
ES54285(U)
申请公布日期
1956.07.16
申请号
ES19850000542U
申请日期
1956.05.18
申请人
HY BERGERAT, MONNOYEUR & CIE.
发明人
分类号
主分类号
代理机构
代理人
主权项
地址
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