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Publication of FR687521ApublicationCriticalpatent/FR687521A/en
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
B07B4/00—Separating solids from solids by subjecting their mixture to gas currents
B07B4/08—Separating solids from solids by subjecting their mixture to gas currents while the mixtures are supported by sieves, screens, or like mechanical elements
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FR687521D1929-03-221929-03-22
Device for conveying granular materials in combination with the pneumatic separation of some of these materials
ExpiredFR687521A
(en)
Trailer for <<camping>> use with horizontal folding to its walls to facilitate its transport on the road, the reassembly of the latter taking place very quickly
Installation for the transport and intermittent advancement of objects at variable speed or not, with variable interruption or not between the periods of advancement