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Application filed by Jiri Prof Mudr Drsc Skorepa, Petr Doc Mudr Csc Hrabak, Premysl Ing Csc Mares, Antonin Blacky, Rudolf Ing Foglar, List Jaroslav, Antonin Ing Prikryl, Vladimir SvobodafiledCriticalJiri Prof Mudr Drsc Skorepa
Priority to CS863678ApriorityCriticalpatent/CS253339B1/en
Publication of CS367886A1publicationCriticalpatent/CS367886A1/en
Publication of CS253339B1publicationCriticalpatent/CS253339B1/en