A device for {HEAD ~ the quantitative analysis} of {TAIL ~ debris} 1, wherein said conveyor belt is provided with containment sidewalls , integral thereto and placed on both sides along their whole length, and defines an upper or debris collection surface and a lower surface 
A device for { HEAD ~ the quantitative analysis } of { TAIL ~ debris } 1 , wherein said conveyor belt is provided with containment sidewalls , integral thereto and placed on both sides along their whole length , and defines an upper or debris collection surface and a lower surface
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