A MANHOLE COVER,申请号GB19920007264-传众专利搜索

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发明名称	A MANHOLE COVER
摘要
申请公布号	GB9207264(D0)	申请公布日期	1992.05.13
申请号	GB19920007264	申请日期	1992.04.02
申请人	STAGGS, COLIN E	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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