LOCKING DEVICE OF MANHOLE COVER,申请号KR19880000574-传众专利搜索

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发明名称	LOCKING DEVICE OF MANHOLE COVER
摘要
申请公布号	KR930000630(B1)	申请公布日期	1993.01.28
申请号	KR19880000574	申请日期	1988.01.26
申请人	NAKASHIMA IMONO K.K.	发明人	NAKASHIMA, HIRODAKE
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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