72396306
Jul 1, 1971
Jul 23, 1974
MECHANICAL SEPARATORS; PNEUMATIC SEPARATORS; MECHANICAL SORTING TABLES; SCREEN AND SCREENING TYPE SEPARATORS-NAMELY, STATIC, SHAKER AND ROTATING SCREENS; SPECIFIC GRAVITY SEPARATORS; GAS, AIR AND LIQUID CYCLONIC SEPARATORS WITH AND WITHOUT ELUTRIATORS; CYCLONE TYPE CLEANERS; PULP REFINERS; SCREW PRESSES; FEEDERS; EXHAUSTOR TYPE CONVEYORS; MECHANICAL DIGESTERS FOR INDUSTRIAL USE; BUCKET ELEVATORS; DRAG ELEVATORS; NUT TREATING EQUIPMENT COMPRISING APPARAUS FOR COOLING, CLEANING, SEPARATING AND GRINDING NUTS; ATTRITION MILLS; HAMMER MILLS; MILL FEEDERS; SCREEN AND CENTRIFUGALLY CONTROLLED CLASSIFIERS; GRAVITY SETTLING, DRAG OUT AND CENTRIFUGAL TYPE CLARIFIERS; MECHANICAL PULVERIZERS AND CRUSHERS FOR INDUSTRIAL USE
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