Method and apparatus for exploration drilling.,申请号ZA20000005056-传众专利搜索

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发明名称	Method and apparatus for exploration drilling.
摘要
申请公布号	ZA200005056(B)	申请公布日期	2001.05.30
申请号	ZA20000005056	申请日期	2000.09.21
申请人	SASOL MINING (PROPRIETARY) LIMITED	发明人	ALBERT KARL HOFFMANN
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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