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With a keyboard apparatus operating reading device for cards impact machines, wherein each of the to the needles of a blow machine cords cards containing with a direction transverse to the cord pull the direction of the deflectable, which is connected with driver projections rod
With a keyboard apparatus operating reading device for cards impact machines, wherein each of the to the needles of a blow machine cords cards containing with a direction transverse to the cord pull the direction of the deflectable, which is connected with driver projections rod