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发明名称
APARELHO TROCADOR DE CALOR
摘要
申请公布号
BR7902532(A)
申请公布日期
1979.11.27
申请号
BR19797902532
申请日期
1979.04.25
申请人
AIR PREHEATER CO INC
发明人
STOCKMANN R
分类号
F28D19/04;(IPC1-7):F28F27/00;F28D15/00
主分类号
F28D19/04
代理机构
代理人
主权项
地址
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