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发明名称
Method of interoducing fuel into an open hearth furnace
摘要
申请公布号
US2182498(A)
申请公布日期
1939.12.05
申请号
US19390260717
申请日期
1939.03.09
申请人
LONGENECKER LEVI S
发明人
LONGENECKER LEVI S.
分类号
F27B3/20
主分类号
F27B3/20
代理机构
代理人
主权项
地址
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