Vorrichtung zur Entnahme von Kernproben.,申请号DE19896013392T-传众专利搜索

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发明名称	Vorrichtung zur Entnahme von Kernproben.
摘要
申请公布号	DE68913392(T2)	申请公布日期	1994.09.29
申请号	DE19896013392T	申请日期	1989.07.06
申请人	EASTMAN TELECO CO., HOUSTON, TEX., US	发明人	TIBBITTS, GORDON A., SALT LAKE CITY UTAH 84117, US
分类号	E21B10/48;E21B10/56;E21B10/567;E21B10/60;E21B25/00;(IPC1-7):E21B10/48	主分类号	E21B10/48
代理机构		代理人
主权项
地址

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