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发明名称
Open-hearth furnace and method of operating the same
摘要
申请公布号
US2494415(A)
申请公布日期
1950.01.10
申请号
US19470753102
申请日期
1947.06.06
申请人
UNITED STATES STEEL CORPORATION OF DELAWARE
发明人
SOSMAN ROBERT B.
分类号
F27B3/20
主分类号
F27B3/20
代理机构
代理人
主权项
地址
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