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发明名称
Roof-jack for a metallurgical furnace
摘要
申请公布号
US3212466(A)
申请公布日期
1965.10.19
申请号
US19630249666
申请日期
1963.01.07
申请人
UNITED STATES STEEL CORPORATION
发明人
WINTERSTEEN JOHN C.
分类号
F23M5/06;F27D1/02
主分类号
F23M5/06
代理机构
代理人
主权项
地址
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