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发明名称
Process for operating shaft blast furnaces
摘要
申请公布号
US2799576(A)
申请公布日期
1957.07.16
申请号
US19540467596
申请日期
1954.11.08
申请人
W. STRIKFELDT & CO.
发明人
GUMZ WILHELM;BECKER ERNST
分类号
C21B5/06
主分类号
C21B5/06
代理机构
代理人
主权项
地址
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