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Priority to FR747746ApriorityCriticalpatent/FR1252017A/en
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Publication of FR1252017ApublicationCriticalpatent/FR1252017A/en
B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
B04C—APPARATUS USING FREE VORTEX FLOW, e.g. CYCLONES
B04C7/00—Apparatus not provided for in group B04C1/00, B04C3/00, or B04C5/00; Multiple arrangements not provided for in one of the groups B04C1/00, B04C3/00, or B04C5/00; Combinations of apparatus covered by two or more of the groups B04C1/00, B04C3/00, or B04C5/00
FR747746A1957-09-201957-09-20
Filter separator for the treatment and purification of air and gases
ExpiredFR1252017A
(en)