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METHOD OF HYDRAULICALLY CONVEYING MATERIALS OF VERY DIFFERENTIATED SPECIFIC DENSITY,IN PARTICULAR THOSE CONTAINING COMPONENT PARTICLES CAPABLE TO FLOAT OVER CARRIER LIQUID AND HYDRAULIC CONVEYING SYSTEM THEREFOR
METHOD OF HYDRAULICALLY CONVEYING MATERIALS OF VERY DIFFERENTIATED SPECIFIC DENSITY,IN PARTICULAR THOSE CONTAINING COMPONENT PARTICLES CAPABLE TO FLOAT OVER CARRIER LIQUID AND HYDRAULIC CONVEYING SYSTEM THEREFOR