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Application filed by Jaroslav Ing Stuchlik, Josef Ing Pilar, Frantisek Ing Prikryl, Kodet Josef, Bedrich Mudr NejedlyfiledCriticalJaroslav Ing Stuchlik
Priority to CS885221ApriorityCriticalpatent/CS267827B1/en
Publication of CS522188A1publicationCriticalpatent/CS522188A1/en
Publication of CS267827B1publicationCriticalpatent/CS267827B1/en