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经营范围
发明名称
LOW YIELD RATIO, HIGH STRENGTH, HIGH TOUGHNESS, THICK STEEL PLATE AND WELDED STEEL PIPE
摘要
申请公布号
KR101044161(B1)
申请公布日期
2011.06.24
申请号
KR20087003441
申请日期
2004.06.10
申请人
发明人
分类号
C22C38/00;B21C37/08;B21C37/083;C21D8/02;C21D8/10
主分类号
C22C38/00
代理机构
代理人
主权项
地址
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