Height adjustable ease manhole structure body and Construction method using the same,申请号KR20070066958-传众专利搜索

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发明名称	Height adjustable ease manhole structure body and Construction method using the same
摘要
申请公布号	KR100912899(B1)	申请公布日期	2009.08.20
申请号	KR20070066958	申请日期	2007.07.04
申请人		发明人
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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