PRESTRESSED STEEL BEAM COMPOSED BY COUPLING THE LOWER GIRDER IMTRODUCED WITH COMPRESSIVE FORCE AND THE UPPER GIRDER INTRODUCED WITH TENSILE FORCE AND MANUFACTURING THERE OF,申请号KR20050022749-传众专利搜索

发明名称	PRESTRESSED STEEL BEAM COMPOSED BY COUPLING THE LOWER GIRDER IMTRODUCED WITH COMPRESSIVE FORCE AND THE UPPER GIRDER INTRODUCED WITH TENSILE FORCE AND MANUFACTURING THERE OF
摘要
申请公布号	KR20060100871(A)	申请公布日期	2006.09.21
申请号	KR20050022749	申请日期	2005.03.18
申请人	PARK, KYEONG YONG;HWANG, BYEONG KOOK;GU, JA JUNG	发明人	PARK, KYEONG YONG;HWANG, BYEONG KOOK;GU, JA JUNG
分类号	E01D2/00	主分类号	E01D2/00
代理机构		代理人
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