MANHOLE COVER AND FRAME ASSEMBLY,申请号GB19900014161-传众专利搜索

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发明名称	MANHOLE COVER AND FRAME ASSEMBLY
摘要
申请公布号	GB2245627(A)	申请公布日期	1992.01.08
申请号	GB19900014161	申请日期	1990.06.26
申请人	* FIRSTEEL DISTRIBUTORS LIMITED	发明人	DAVID WALTER * NORRIS
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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