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Application filed by Peter Ing Gabris, Frantisek JungmayerfiledCriticalPeter Ing Gabris
Priority to CS844322ApriorityCriticalpatent/CS252952B1/en
Publication of CS432284A1publicationCriticalpatent/CS432284A1/en
Publication of CS252952B1publicationCriticalpatent/CS252952B1/en