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发明名称
élément d'échange thermique
摘要
申请公布号
FR1499992(A)
申请公布日期
1967.11.03
申请号
FR19660062979
申请日期
1966.05.25
申请人
发明人
LEGRAND PIERRE
分类号
F22B37/18;F28D7/02;H01F6/06
主分类号
F22B37/18
代理机构
代理人
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地址
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