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经营范围
发明名称
Air heater for blast furnaces
摘要
申请公布号
US2134804(A)
申请公布日期
1938.11.01
申请号
US19370122329
申请日期
1937.01.25
申请人
REKUPERATOR G.M.B.H.
发明人
SCHACK ALFRED
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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