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发明名称
Perfectionnements à la fabrication des conducteurs échangeurs thermiques
摘要
申请公布号
FR952806(A)
申请公布日期
1949.11.24
申请号
FRD952806
申请日期
1947.09.09
申请人
BROWN FINTUBE COMPANY
发明人
分类号
B21C37/22
主分类号
B21C37/22
代理机构
代理人
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