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经营范围
发明名称
Process for heating and humidifying blast for metallurgical furnaces
摘要
申请公布号
US2970901(A)
申请公布日期
1961.02.07
申请号
US19590849209
申请日期
1959.10.28
申请人
KOPPERS COMPANY, INC.
发明人
RICE OWEN R.
分类号
C21B5/00
主分类号
C21B5/00
代理机构
代理人
主权项
地址
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