Conception of A Coring Tool with Eccentric Drilling Type Simultaneous Casing in Difficult Formation
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王海 蒋荣庆.对复杂地层偏心扩孔跟管取心钻具的设想[J].钻探工程,2001,(1):25-26.. Conception of A Coring Tool with Eccentric Drilling Type Simultaneous Casing in Difficult Formation[J]. Drilling Engineering, 2001,(1):25-26.
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- 最后修改日期:1999-11-08
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- 出版日期: 2001-01-25
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