VERFAHREN UND VORRICHTUNG ZUM ABDICHTEN EINES VERROHRTEN BOHRLOCHES.,申请号DE19843485916-传众专利搜索

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发明名称	VERFAHREN UND VORRICHTUNG ZUM ABDICHTEN EINES VERROHRTEN BOHRLOCHES.
摘要
申请公布号	DE3485916(D1)	申请公布日期	1992.10.15
申请号	DE19843485916	申请日期	1984.10.23
申请人	SCHLUMBERGER LTD., NEW YORK, N.Y., US	发明人	HOPPE, JOACHIM ALBERT, HOUSTON TEXAS 77058, US;WAMBAUGH, JOHN OLSON, HOUSTON TEXAS 77006, US;SHONROCK, CLINTON, LOS ALAMOS NEW MEXICO 87544, US
分类号	E21B33/12;E21B33/128;E21B33/129;E21B33/134;(IPC1-7):E21B33/134;E21B23/00	主分类号	E21B33/12
代理机构		代理人
主权项
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