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发明名称
Method of operating open hearth furnaces
摘要
申请公布号
US1942682(A)
申请公布日期
1934.01.09
申请号
US19310565505
申请日期
1931.09.28
申请人
OPEN HEARTH COMBUSTION COMPANY
发明人
BOYNTON ARTHUR J.
分类号
F27B3/00
主分类号
F27B3/00
代理机构
代理人
主权项
地址
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