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Application filed by Zoltan Ing Kancel, Miroslav Ing KurzfiledCriticalZoltan Ing Kancel
Priority to CS844977ApriorityCriticalpatent/CS242422B1/en
Publication of CS497784A1publicationCriticalpatent/CS497784A1/en
Publication of CS242422B1publicationCriticalpatent/CS242422B1/en