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Application filed by Nozicka Bretislav, Jaroslav Vrsinsky, Jaroslav HrdyfiledCriticalNozicka Bretislav
Priority to CS846828ApriorityCriticalpatent/CS242552B1/en
Publication of CS682884A1publicationCriticalpatent/CS682884A1/en
Publication of CS242552B1publicationCriticalpatent/CS242552B1/en