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发明名称
Making high speed steel
摘要
申请公布号
GB2247248(A)
申请公布日期
1992.02.26
申请号
GB19900018648
申请日期
1990.08.24
申请人
IN JIN * LEE
发明人
IN JIN * LEE
分类号
C21C7/00
主分类号
C21C7/00
代理机构
代理人
主权项
地址
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