A Manhole Cover,申请号KR20070019908U-传众专利搜索

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发明名称	A Manhole Cover
摘要
申请公布号	KR20090005885(U)	申请公布日期	2009.06.16
申请号	KR20070019908U	申请日期	2007.12.11
申请人		发明人
分类号	E02D29/14	主分类号	E02D29/14
代理机构		代理人
主权项
地址

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