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Application filed by Josef Malina, Miroslav Pechota, Miloslav Novacek, Jaroslav SvabfiledCriticalJosef Malina
Priority to CS856924ApriorityCriticalpatent/CS254078B1/cs
Publication of CS692485A1publicationCriticalpatent/CS692485A1/cs
Publication of CS254078B1publicationCriticalpatent/CS254078B1/cs