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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:滚子圆锥,制造这种滚子圆锥的方法以及掺入这种滚子圆锥的钻头
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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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