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Application filed by Ivan Pecival, Ervin Herold, Novak PetrfiledCriticalIvan Pecival
Priority to CS845361ApriorityCriticalpatent/CS241891B1/cs
Publication of CS536184A1publicationCriticalpatent/CS536184A1/cs
Publication of CS241891B1publicationCriticalpatent/CS241891B1/cs