Manufacturing method of prestressed steel beam using tightening forces of bolts,申请号KR20110038330-传众专利搜索

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发明名称	Manufacturing method of prestressed steel beam using tightening forces of bolts
摘要
申请公布号	KR101200589(B1)	申请公布日期	2012.11.12
申请号	KR20110038330	申请日期	2011.04.25
申请人		发明人
分类号	E04C3/10;E01D2/00;E04C3/02	主分类号	E04C3/10
代理机构		代理人
主权项
地址

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