Gallery support, more particularly for underground mine workings,申请号GB19910027016-传众专利搜索

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发明名称	Gallery support, more particularly for underground mine workings
摘要
申请公布号	GB2253423(A)	申请公布日期	1992.09.09
申请号	GB19910027016	申请日期	1991.12.19
申请人	PETER * VON LINSINGEN-HEINTZMANN	发明人	PETER * VON LINSINGEN-HEINTZMANN
分类号	E21D11/10;E21D11/15	主分类号	E21D11/10
代理机构		代理人
主权项
地址

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