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            1by Kuranica, Jaroslav“...GRAND POWER, s. r. o. (Banská Bystrica - Šalková, SK)...”
 Published 2017
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 Patent
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            2by Kuracina, Jaroslav“...GRAND POWER, s. r. o. (Banská Bystrica - Šalková, SK)...”
 Published 2018
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 Patent