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发明名称
Method of treating steel scrap in open-hearth furnaces
摘要
申请公布号
US1793441(A)
申请公布日期
1931.02.17
申请号
US19280267462
申请日期
1928.04.04
申请人
HILLIARD GLENN E
发明人
HILLIARD GLENN E.
分类号
C21C5/04
主分类号
C21C5/04
代理机构
代理人
主权项
地址
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