A fixing apparatus for height adjustment which is used for manhole,申请号KR20020071519-传众专利搜索

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发明名称	A fixing apparatus for height adjustment which is used for manhole
摘要
申请公布号	KR100492060(B1)	申请公布日期	2005.06.07
申请号	KR20020071519	申请日期	2002.11.18
申请人		发明人
分类号	E02D29/14;(IPC1-7):E02D29/14	主分类号	E02D29/14
代理机构		代理人
主权项
地址

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