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发明名称
Method of operating blast furnaces
摘要
申请公布号
US2131031(A)
申请公布日期
1938.09.27
申请号
US19360084797
申请日期
1936.06.12
申请人
ARTHUR D. LITTLE, INC.
发明人
AVERY JULIAN M.
分类号
C21B5/06;C21B7/00
主分类号
C21B5/06
代理机构
代理人
主权项
地址
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