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Application filed by Parkan Petr, Patak Zdenek, Josef Ing Nesvadba, Jiri Ing Hrach, Novak Lubomir, Prochazka Karel, Tersl Vladimir, Zdenek Svarc, Kapoun PavelfiledCriticalParkan Petr
Priority to CS868319ApriorityCriticalpatent/CS261578B1/en
Publication of CS831986A1publicationCriticalpatent/CS831986A1/en
Publication of CS261578B1publicationCriticalpatent/CS261578B1/en