A DRILL BOOM ARRANGEMENT,申请号EP19790850028-传众专利搜索

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发明名称	A DRILL BOOM ARRANGEMENT
摘要
申请公布号	EP0004840(B1)	申请公布日期	1983.04.13
申请号	EP19790850028	申请日期	1979.04.11
申请人	ATLAS COPCO AKTIEBOLAG	发明人	KIMBER, ERICH VOLDEMAR;LUNDSTROM, AXEL LENNART
分类号	E21B15/04;F15B11/20;(IPC1-7):21C11/00;15B11/20	主分类号	E21B15/04
代理机构		代理人
主权项
地址

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