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发明名称
Perfectionnements apportés aux échangeurs thermiques
摘要
申请公布号
FR1364640(A)
申请公布日期
1964.06.26
申请号
FR19630931709
申请日期
1963.04.17
申请人
SOCIETE GENERALE DE FONDERIE
发明人
分类号
F22B21/34;F22D1/02;F24H1/30
主分类号
F22B21/34
代理机构
代理人
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地址
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