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Application filed by Leo Dipl Tech Cerny, Jindrich Pardy, Frantisek Mech, Jiri Ing FigurafiledCriticalLeo Dipl Tech Cerny
Priority to CS844860ApriorityCriticalpatent/CS242419B1/cs
Publication of CS486084A1publicationCriticalpatent/CS486084A1/cs
Publication of CS242419B1publicationCriticalpatent/CS242419B1/cs