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发明名称
UN CAMBIADOR DE CALOR DE PLACAS CON ALETAS, MEJORADO.
摘要
申请公布号
ES197162(Y)
申请公布日期
1975.09.01
申请号
ES19620001971U
申请日期
1971.05.21
申请人
HUTOGEPGYAR
发明人
分类号
F28D;(IPC1-7):28D/
主分类号
F28D
代理机构
代理人
主权项
地址
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