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Application filed by Milan Simek, Svoboda Jan, Strnadel Karel, Purnoch JirifiledCriticalMilan Simek
Priority to CS861388ApriorityCriticalpatent/CS259322B1/en
Publication of CS138886A1publicationCriticalpatent/CS138886A1/en
Publication of CS259322B1publicationCriticalpatent/CS259322B1/en