MANHOLE COVER WITH LOCKING DEVICE,申请号KR20000004389U-传众专利搜索

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发明名称	MANHOLE COVER WITH LOCKING DEVICE
摘要
申请公布号	KR200188146(Y1)	申请公布日期	2000.07.15
申请号	KR20000004389U	申请日期	2000.02.17
申请人	SAM HWA CAST IRON IND. CO.,LTD.	发明人	CHO, NAM KI
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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