emergency escape stairs,申请号KR20040087105-传众专利搜索

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发明名称	emergency escape stairs
摘要
申请公布号	KR100611406(B1)	申请公布日期	2006.08.16
申请号	KR20040087105	申请日期	2004.10.29
申请人		发明人
分类号	E04F11/02;E04F11/04	主分类号	E04F11/02
代理机构		代理人
主权项
地址

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