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发明名称
échangeur pour le préchauffage du vent des hauts fourneaux
摘要
申请公布号
FR1000404(A)
申请公布日期
1952.02.12
申请号
FRD1000404
申请日期
1949.11.28
申请人
发明人
SABAS FELIX ARANGUREN
分类号
C21B9/10
主分类号
C21B9/10
代理机构
代理人
主权项
地址
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