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Blast hole drill bit carousel and a blast hole drill including a blast hole drill bit carousel
Blast hole drill bit carousel and a blast hole drill including a blast hole drill bit carousel
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机译:爆破孔钻头转盘和包括爆破孔钻头转盘的爆破孔钻
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#$%^&*AU2009217395B820141211.pdf#####ABSTRACT A drill bit carousel for use on a blast hole drill includes a base structure that movably supports a plurality of drill receptacles. The drill bit carousel is movable between a storage position and at least one exchange position. In the exchange position, one of the drill receptacles is aligned with a centerline of a drill pipe string. In the storage position, the drill bit carousel is clear of the centerline of the drill pipe string. QB8522779.1 PIZ29176BUC3/9 100 1112 2218 21612 FIG. 3
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