Fan impeller surface structure

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Title of the invention:

Surface structure of a fan impeller

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Inventor(s):

Dr. Péter Bencs, Dr. Zoltán Bihari, Béla Fodor, Dr. Károly Jálics, Dr. Norbert Szaszák, Ágnes Várkuliné Szarka, Réka Rozinkáné Nagy-Szentesi, Dr. László Attila Kelemen

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