A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
A23B—PRESERVATION OF FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES; CHEMICAL RIPENING OF FRUIT OR VEGETABLES
A23B4/00—Preservation of meat, sausages, fish or fish products
A23B4/06—Freezing; Subsequent thawing; Cooling
A23B4/066—Freezing; Subsequent thawing; Cooling the materials not being transported through or in the apparatus with or without shaping, e.g. in the form of powder, granules or flakes
Dispositif de repartition en alternance de volumes successifs de liquide, notamment de bachees de chasse dans des installations d'epuration des eaux usees