REMOVING MANHOLE COVERS,申请号GB19830031735-传众专利搜索

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发明名称	REMOVING MANHOLE COVERS
摘要
申请公布号	GB2134572(B)	申请公布日期	1986.11.05
申请号	GB19830031735	申请日期	1983.11.28
申请人	* SELFLEVEL COVERS AKTIENGESELLSCHAFT	发明人	DEREK * FERNS
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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