Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Roberts and Schaefer Co
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Roberts and Schaefer Co
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Application filed by Roberts and Schaefer CofiledCriticalRoberts and Schaefer Co
Application grantedgrantedCritical
Publication of FR602181ApublicationCriticalpatent/FR602181A/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
B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
B07B1/42—Drive mechanisms, regulating or controlling devices, or balancing devices, specially adapted for screens
B07B1/44—Balancing devices
FR602181D1925-06-181925-06-18Perfectionnements aux cribleurs
ExpiredFR602181A
(fr)