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B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
B07B1/18—Drum screens
B07B1/22—Revolving drums
FR338598D1903-12-311903-12-31Machine à nettoyer et assortir les pommes de terre ou corps similaires
ExpiredFR338598A
(fr)