THE FALLING PREVENTIVE SYSTEM OF MANHOLE,申请号KR20060124660-传众专利搜索

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发明名称	THE FALLING PREVENTIVE SYSTEM OF MANHOLE
摘要
申请公布号	KR100702625(B1)	申请公布日期	2007.03.27
申请号	KR20060124660	申请日期	2006.12.08
申请人	KIM, KYUNG HO	发明人	KIM, KYUNG HO
分类号	E02D29/12	主分类号	E02D29/12
代理机构		代理人
主权项
地址

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