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发明名称
LOW-ALLOY CONSTRUCTIONAL STEEL
摘要
申请公布号
PL116243(B2)
申请公布日期
1981.05.30
申请号
PL19790218123
申请日期
1979.09.03
申请人
发明人
分类号
C22C;C22C38/02;C22C38/04;(IPC1-7):C22C38/02
主分类号
C22C
代理机构
代理人
主权项
地址
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