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Roller Cones, Methods of Manufacturing Such Roller Cones, and Drill Bits Incorporating Such Roller Cones
Roller Cones, Methods of Manufacturing Such Roller Cones, and Drill Bits Incorporating Such Roller Cones
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机译:辊筒,这种辊筒的制造方法以及结合了这种辊筒的钻头
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摘要
A roller cone drill bit having a layer of wear resistant material applied thereon utilizing a thermal spray process and methods of manufacturing such drill bits.
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