摘要 |
The apparatus has at least one optical sensor ( 7, 8 ), which emits a light beam ( 13, 14 ), inclined at an angle in relation to the surface of the pallet ( 2 ), and irradiates the surface of the pallet ( 2 ) at a point of reflection, and supports ( 9, 10 ) with cylinders for displacing the point of reflection by a predetermined distance over the surface of the pallet ( 2 ).
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