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发明名称
Method of making killed resulphurized steel
摘要
申请公布号
US2780540(A)
申请公布日期
1957.02.05
申请号
US19540422235
申请日期
1954.04.09
申请人
UNITED STATES STEEL CORPORATION
发明人
PIERCE EARL W.
分类号
C22C38/60
主分类号
C22C38/60
代理机构
代理人
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