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DRILL BIT FOR HORIZONTAL DIRECTIONAL DRILLING OF ROCK FORMATIONS
DRILL BIT FOR HORIZONTAL DIRECTIONAL DRILLING OF ROCK FORMATIONS
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机译:岩层水平定向钻探钻头
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摘要
A drill bit for directional boring of all earth formations such as dirt, sand, rock and/or anytype combination of formations, utilizing a bit body containing fixed and semi-floating cuttingpoints and one or more fluid channels for the purpose of lubricating and dispersing cut and/orfractured formations.
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