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发明名称
Perfectionnements apportés aux échangeurs de chaleur, en particulier pour appareils du genre des chauffe-eau
摘要
申请公布号
FR1191680(A)
申请公布日期
1959.10.21
申请号
FRD1191680
申请日期
1958.02.18
申请人
发明人
GUEREL ROGER
分类号
F24H1/16
主分类号
F24H1/16
代理机构
代理人
主权项
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