MANHOLE COVER WITH WATER PRESSURE ADJUSTING FUNCTION,申请号KR20110003809-传众专利搜索

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发明名称	MANHOLE COVER WITH WATER PRESSURE ADJUSTING FUNCTION
摘要
申请公布号	KR101204536(B1)	申请公布日期	2012.11.23
申请号	KR20110003809	申请日期	2011.01.14
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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