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发明名称
Perfectionnements aux échangeurs de chaleur
摘要
申请公布号
FR50615(E)
申请公布日期
1941.01.27
申请号
FRD50615
申请日期
1939.05.20
申请人
JEAN-EMILE LALAUZE
发明人
分类号
F28F1/32
主分类号
F28F1/32
代理机构
代理人
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