MEANS FOR AND A METHOD OF INSTALLING A MINE PROP,申请号ZW19810000302-传众专利搜索

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发明名称	MEANS FOR AND A METHOD OF INSTALLING A MINE PROP
摘要
申请公布号	ZW30281(A1)	申请公布日期	1982.08.04
申请号	ZW19810000302	申请日期	1981.12.17
申请人	EDWARD L BATEMAN LTD	发明人	BLOMKAMP RONALD CARL
分类号	E21D;E21D15/58;(IPC1-7):E21D/	主分类号	E21D
代理机构		代理人
主权项
地址

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