OPENING AND SHUTTING APPARATUS OF MANHOLE COVER,申请号KR19950014805U-传众专利搜索

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发明名称	OPENING AND SHUTTING APPARATUS OF MANHOLE COVER
摘要
申请公布号	KR0122258(Y1)	申请公布日期	1998.10.15
申请号	KR19950014805U	申请日期	1995.06.26
申请人	AJ WORLD CO.,LTD	发明人	CHOE, AHN-JOON
分类号	E02D29/12;(IPC1-7):E02D29/12	主分类号	E02D29/12
代理机构		代理人
主权项
地址

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