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经营范围
发明名称
Method of vacuum degasifying molten steel by circulation
摘要
申请公布号
GB930373(A)
申请公布日期
1963.07.03
申请号
GB19590032936
申请日期
1959.09.28
申请人
YAWATA IRON & STEEL COMPANY, LIMITED
发明人
分类号
C21C7/10
主分类号
C21C7/10
代理机构
代理人
主权项
地址
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