DURCH FLUESSIGKEITSDRUCK BETAETIGTE VORRICHTUNG IM BOHRLOCH.,申请号DE19863670673-传众专利搜索

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发明名称	DURCH FLUESSIGKEITSDRUCK BETAETIGTE VORRICHTUNG IM BOHRLOCH.
摘要
申请公布号	DE3670673(D1)	申请公布日期	1990.05.31
申请号	DE19863670673	申请日期	1986.09.25
申请人	HALLIBURTON CO., DUNCAN, OKLA., US	发明人	EDWARDS, A. GLEN, HOCKLEY TEXAS 77447, US;GEORGE, KEVIN R., COLUMBUS TEXAS 78934, US;WESSON, DAVID S., KATY TEXAS 77450, US;GEORGE, FLINT R., KATY TEXAS 77449, US;BRIEGER, EMMET F., NOGAL NEW MEXICO 88341, US
分类号	E21B34/10;E21B37/08;(IPC1-7):E21B34/10	主分类号	E21B34/10
代理机构		代理人
主权项
地址

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