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B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
B01F33/00—Other mixers; Mixing plants; Combinations of mixers
B01F33/40—Mixers using gas or liquid agitation, e.g. with air supply tubes
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FR51116D1938-04-011940-04-22Dispositif servant à créer un courant de gaz refroidi et à le faire pénétrer età le répartir dans des masses liquides
ExpiredFR51116E
(fr)