72450522
Mar 5, 1973
Aug 13, 1974
PNEUMATIC APPARATUS, AND PARTS THEREOF, FOR CONVEYING, SEPARATING AND MIXING PULVERULENT, DUST-LIKE OR GRANULAR MATERIAL, EITHER FIXED OR INSTALLED IN VEHICLES, IN PARTICULAR IN POWERDRIVEN VEHICLES AND THEIR TRAILERS, OR IN RAILWAY CARS, WATERCRAFT OR AIRCRAFT
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