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发明名称
Perfectionnements aux appareils destinés à communiquer ou enlever de la chaleur àun gaz à travers une surface d'échange
摘要
申请公布号
FR48993(E)
申请公布日期
1938.10.05
申请号
FRD48993
申请日期
1937.12.02
申请人
SOCIETE DES CONDENSEURS DELAS
发明人
分类号
F28F13/06
主分类号
F28F13/06
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代理人
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