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发明名称
Formed steel beam for steel-concrete composite beam and slab
摘要
申请公布号
KR100870071(B1)
申请公布日期
2008.11.24
申请号
KR20070045721
申请日期
2007.05.10
申请人
发明人
分类号
E04C3/04;E04B5/16;E04C3/08;E04C3/293
主分类号
E04C3/04
代理机构
代理人
主权项
地址
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