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发明名称
Perfectionnement aux échangeurs de température
摘要
申请公布号
FR698695(A)
申请公布日期
1931.02.03
申请号
FRD698695
申请日期
1929.10.05
申请人
ANCIENS ETABLISSEMENTS MILLE POURCEL VELUT
发明人
分类号
F28D7/10;F28F1/10
主分类号
F28D7/10
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