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Application filed by Stefan Ing Barnak, Ambroz Frantisek, Milan Ing Lichvar, Pavol Ing Gasko, Olejnik Vincent, Kolesar Jan, Molnar GabrielfiledCriticalStefan Ing Barnak
Priority to CS862096ApriorityCriticalpatent/CS257112B1/en
Publication of CS209686A1publicationCriticalpatent/CS209686A1/en
Publication of CS257112B1publicationCriticalpatent/CS257112B1/en