Innretning for rensing av rör,申请号NO19960001276-传众专利搜索

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发明名称	Innretning for rensing av rör
摘要
申请公布号	NO961276(A)	申请公布日期	1996.10.02
申请号	NO19960001276	申请日期	1996.03.29
申请人	ROTARY DRILLING SUPPLIES EUROPE LTD	发明人	POTTER, RONALD
分类号	E21B37/02;(IPC1-7):B08B9/04	主分类号	E21B37/02
代理机构		代理人
主权项
地址

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