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发明名称
échangeur de chaleur
摘要
申请公布号
FR909129(A)
申请公布日期
1946.04.30
申请号
FRD909129
申请日期
1944.09.29
申请人
发明人
HENRION MARIE-CHARLES-EMILE
分类号
F28D9/00
主分类号
F28D9/00
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代理人
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