Coal-winning and conveying installation,申请号GB19620004352-传众专利搜索

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发明名称	Coal-winning and conveying installation
摘要
申请公布号	GB923307(A)	申请公布日期	1963.04.10
申请号	GB19620004352	申请日期	1962.02.05
申请人	GEWERKSCHAFT EISENHUTTE WESTFALIA	发明人
分类号	E21C35/12	主分类号	E21C35/12
代理机构		代理人
主权项
地址

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