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Application filed by Jiri Ing Bruha, Tomas Ing SlovacekfiledCriticalJiri Ing Bruha
Priority to CS865596ApriorityCriticalpatent/CS264564B1/en
Publication of CS559686A1publicationCriticalpatent/CS559686A1/en
Publication of CS264564B1publicationCriticalpatent/CS264564B1/en