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发明名称
Charging box for open hearth furnace charging operation
摘要
申请公布号
US2347899(A)
申请公布日期
1944.05.02
申请号
US19420457495
申请日期
1942.09.05
申请人
FORSYTHE JOHN W
发明人
FORSYTHE JOHN W.
分类号
F27D3/00
主分类号
F27D3/00
代理机构
代理人
主权项
地址
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