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发明名称
Perfectionnements dans les tubes à ailettes pour échangeurs de chaleur
摘要
申请公布号
FR779341(A)
申请公布日期
1935.04.02
申请号
FRD779341
申请日期
1933.12.23
申请人
COMPAGNIE DE FIVES-LILLE
发明人
分类号
F28F1/12
主分类号
F28F1/12
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代理人
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