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B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
B01D—SEPARATION
B01D45/00—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces
B01D45/04—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by utilising inertia
B01D45/06—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by utilising inertia by reversal of direction of flow
FR480046D1914-11-031915-10-21
Improvements to air humidification devices
ExpiredFR480046A
(en)