MINERAL MINING INSTALLATIONS,申请号GB19740016762-传众专利搜索

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发明名称	MINERAL MINING INSTALLATIONS
摘要
申请公布号	GB1470436(A)	申请公布日期	1977.04.14
申请号	GB19740016762	申请日期	1974.04.17
申请人	GEWERKSCHAFT EISENHUETTE WESTFALIA	发明人
分类号	E21D23/00;E21D23/04;E21D23/08;(IPC1-7):E21D23/00	主分类号	E21D23/00
代理机构		代理人
主权项
地址

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