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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
B07B7/00—Selective separation of solid materials carried by, or dispersed in, gas currents
B07B7/06—Selective separation of solid materials carried by, or dispersed in, gas currents by impingement against sieves
FR531066D1921-02-161921-02-16Procédé de tamisage
ExpiredFR531066A
(fr)