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Publication date
Application filed by Vojtech Mitinko, Karel VondracekfiledCriticalVojtech Mitinko
Priority to CS625486ApriorityCriticalpatent/CS256731B1/en
Publication of CS8606254A1publicationCriticalpatent/CS8606254A1/en
Publication of CS255731B1publicationCriticalpatent/CS255731B1/en
Publication of CS256731B1publicationCriticalpatent/CS256731B1/en