DRILLS,申请号ZA19850008129-传众专利搜索

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发明名称	DRILLS
摘要
申请公布号	ZA8508129(B)	申请公布日期	1986.11.26
申请号	ZA19850008129	申请日期	1985.10.23
申请人	DELFOS & ATLAS COPCO (PROPRIETARY) LIMITED	发明人
分类号	E21B	主分类号	E21B
代理机构		代理人
主权项
地址

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