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发明名称
BENTONITE NODULES
摘要
<p>Compressed bentonite-containing nodules are disclosed as are methods for their production and methods for using them to plug wells.</p>
申请公布号
WO2002029204(A1)
申请公布日期
2002.04.11
申请号
US2001030191
申请日期
2001.09.26
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发明人
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