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发明名称
Blast furnace hopper with leveling adjustment
摘要
申请公布号
US2811345(A)
申请公布日期
1957.10.29
申请号
US19540475925
申请日期
1954.12.17
申请人
UNITED STATES STEEL CORPORATION
发明人
ROE DE FOREST
分类号
C21B7/18
主分类号
C21B7/18
代理机构
代理人
主权项
地址
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