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BIRTLEY SOC
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BIRTLEY SOC
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Application filed by BIRTLEY SOCfiledCriticalBIRTLEY SOC
Application grantedgrantedCritical
Publication of FR832406ApublicationCriticalpatent/FR832406A/fr
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
B07B13/00—Grading or sorting solid materials by dry methods, not otherwise provided for; Sorting articles otherwise than by indirectly controlled devices
B07B13/14—Details or accessories
B07B13/18—Control
FR832406D1938-01-221938-01-22Perfectionnements aux procédés de préparation de charbon et autres matières
ExpiredFR832406A
(fr)