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Application filed by Josef Harapat, Jiri Horvat, Stanislav LamparekfiledCriticalJosef Harapat
Priority to CS866920ApriorityCriticalpatent/CS261564B1/cs
Publication of CS692086A1publicationCriticalpatent/CS692086A1/cs
Publication of CS261564B1publicationCriticalpatent/CS261564B1/cs