INNER COVER OF MANHOLE,申请号KR19970004489U-传众专利搜索

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发明名称	INNER COVER OF MANHOLE
摘要
申请公布号	KR200156747(Y1)	申请公布日期	1999.09.01
申请号	KR19970004489U	申请日期	1997.03.11
申请人	KIM, YONG-BOK	发明人	KIM, YONG-BOK
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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