Improvements in or relating to mine shoring,申请号GB19610041344-传众专利搜索

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发明名称	Improvements in or relating to mine shoring
摘要
申请公布号	GB966592(A)	申请公布日期	1964.08.12
申请号	GB19610041344	申请日期	1961.11.18
申请人	HAYDEN-NILOS LIMITED	发明人	NEALE LESLIE ARTHUR
分类号	E21D11/18	主分类号	E21D11/18
代理机构		代理人
主权项
地址

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