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发明名称
Elément tubulaire pour des échangeurs de chaleur
摘要
申请公布号
FR1470551(A)
申请公布日期
1967.02.24
申请号
FR19660051741
申请日期
1966.03.02
申请人
发明人
VORKAUF HEINRICH
分类号
F28D7/00;F28D7/06;F28D7/08
主分类号
F28D7/00
代理机构
代理人
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