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Application filed by Vojtech Tolnai, Boris Ing Jambrich, Daniel Ing Kriska, Rudolf Ing MihalfiledCriticalVojtech Tolnai
Priority to CS884916ApriorityCriticalpatent/CS272497B1/en
Publication of CS491688A1publicationCriticalpatent/CS491688A1/en
Publication of CS272497B1publicationCriticalpatent/CS272497B1/en