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The guide device, on the orientation or put in place, in particular for the flexible ducts of the hammer drills to the rock
The guide device, on the orientation or put in place, in particular for the flexible ducts of the hammer drills to the rock
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机译:导向装置在定向或就位时,尤其用于锤钻到岩石的柔性管道
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摘要
This invention relates to conduit training means and more particularly an elongated, tensioned training means for training conduits in a predetermined path.
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