Steel-frame stair structure,申请号KR20050053067-传众专利搜索

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发明名称	Steel-frame stair structure
摘要
申请公布号	KR100676193(B1)	申请公布日期	2007.02.01
申请号	KR20050053067	申请日期	2005.06.20
申请人		发明人
分类号	E04F11/022	主分类号	E04F11/022
代理机构		代理人
主权项
地址

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