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Application filed by Pavol Soroka, Pavol Ing PetrickofiledCriticalPavol Soroka
Priority to CS825906ApriorityCriticalpatent/CS237112B1/en
Publication of CS590682A1publicationCriticalpatent/CS590682A1/en
Publication of CS237112B1publicationCriticalpatent/CS237112B1/en