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A device making it possible to control the displacements of a mobile object provided with its own means of locomotion as a function of its position with respect to a mobile object other, it must follow the displacements, more particularly applicable to merchants in mines
A device making it possible to control the displacements of a mobile object provided with its own means of locomotion as a function of its position with respect to a mobile object other, it must follow the displacements, more particularly applicable to merchants in mines