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Application filed by Novotny Jaroslav, Milan Ing Rejzl, Frantisek KadlecekfiledCriticalNovotny Jaroslav
Priority to CS847438ApriorityCriticalpatent/CS240139B1/en
Publication of CS743884A1publicationCriticalpatent/CS743884A1/en
Publication of CS240139B1publicationCriticalpatent/CS240139B1/en