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Application filed by Stanislav Ing Petricek, Hrabovecky Imrich, Milan Ing Csc Bacovsky, Nosko VladimirfiledCriticalStanislav Ing Petricek
Priority to CS842451ApriorityCriticalpatent/CS241576B1/cs
Publication of CS245184A1publicationCriticalpatent/CS245184A1/cs
Publication of CS241576B1publicationCriticalpatent/CS241576B1/cs