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发明名称
Method and apparatus for preheating air
摘要
申请公布号
US3108790(A)
申请公布日期
1963.10.29
申请号
US19610090427
申请日期
1961.02.20
申请人
UNITED STATES STEEL CORPORATION
发明人
AGARWAL JAGDISH C.
分类号
C21B9/10
主分类号
C21B9/10
代理机构
代理人
主权项
地址
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