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Application filed by Vaclav Votapek, Kohout Josef, Miroslav Kubis, Prachar Otakar, Josef Bruzek, Vlastimil Ing MoravecfiledCriticalVaclav Votapek
Priority to CS384589ApriorityCriticalpatent/CS274338B3/en
Publication of CS384589A1publicationCriticalpatent/CS384589A1/en
Publication of CS274338B3publicationCriticalpatent/CS274338B3/en