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经营范围
发明名称
échangeur thermique
摘要
申请公布号
FR793344(A)
申请公布日期
1936.01.22
申请号
FRD793344
申请日期
1934.10.24
申请人
发明人
DIETERLEN HENRY
分类号
F28F1/12
主分类号
F28F1/12
代理机构
代理人
主权项
地址
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