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Application filed by Vyzk Ustav Zemedelske TechnikyfiledCriticalVyzk Ustav Zemedelske Techniky
Priority to CS906603ApriorityCriticalpatent/CZ284022B6/en
Publication of CS660390A3publicationCriticalpatent/CS660390A3/en
Publication of CZ284022B6publicationCriticalpatent/CZ284022B6/en