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发明名称
ECHANGEUR DE CHALEUR
摘要
申请公布号
BE817633(A1)
申请公布日期
1974.11.04
申请号
BE19740146544
申请日期
1974.07.12
申请人
发明人
分类号
F04D25/16;F24H3/06;F28F5/04;(IPC1-7):F24F/
主分类号
F04D25/16
代理机构
代理人
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