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Application filed by Patrovsky Jiri, Josef Ing Csc Horky, Jaroslav Ing Stuchlik, Frantisek Ing Prikryl, Josef Ing PilarfiledCriticalPatrovsky Jiri
Priority to CS233189ApriorityCriticalpatent/CS272850B1/cs
Publication of CS233189A1publicationCriticalpatent/CS233189A1/cs
Publication of CS272850B1publicationCriticalpatent/CS272850B1/cs