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发明名称
a method of making an improved hot rolled I-beam and associated product
摘要
申请公布号
KR20000076019(A)
申请公布日期
2000.12.26
申请号
KR19997008105
申请日期
1999.09.06
申请人
发明人
分类号
E04C3/04;B21B1/08;B21B1/088;B21D37/16
主分类号
E04C3/04
代理机构
代理人
主权项
地址
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