Improvements in and relating to mine supporting arrangements,申请号GB19590035245-传众专利搜索

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发明名称	Improvements in and relating to mine supporting arrangements
摘要
申请公布号	GB929945(A)	申请公布日期	1963.06.26
申请号	GB19590035245	申请日期	1959.10.19
申请人	FRIEDRICH WILHELM PAURAT	发明人
分类号	E21D11/36	主分类号	E21D11/36
代理机构		代理人
主权项
地址

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