| http://www.w3.org/ns/prov#value | - in a batch; a movement mechanism 11E made up of components such as a ball screw 11F engaged with the lower surface of the conveyor base 11A and a guide portion 11H which is provided on the lower surface of the conveyor base 11A and which is guided by a mounting frame 11G of the ball screw 11F in such a manner as to move the conveyor base 11A in small increments in a direction across the direction
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