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发明名称
PRE-AQUECEDOR PARA AGUA DE ALIMENTACAO
摘要
申请公布号
BR7903279(A)
申请公布日期
1979.12.11
申请号
BR19790003279
申请日期
1979.05.25
申请人
BBC BROWN BOVERI & CIE
发明人
BRUL J;RIEGGER H
分类号
F22D1/32;(IPC1-7):F22D1/32
主分类号
F22D1/32
代理机构
代理人
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