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Application filed by Jan Kubat, Jaroslav Silar, Subryt Karel, Novak Jan, Josef Stary, Furst Pavel, Schreiber VlastimilfiledCriticalJan Kubat
Priority to CS873790ApriorityCriticalpatent/CS265365B1/en
Publication of CS379087A1publicationCriticalpatent/CS379087A1/en
Publication of CS265365B1publicationCriticalpatent/CS265365B1/en