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Application filed by Karel Ing Vatolik, Parenica JaroslavfiledCriticalKarel Ing Vatolik
Priority to CS561389ApriorityCriticalpatent/CS274138B1/en
Publication of CS561389A1publicationCriticalpatent/CS561389A1/en
Publication of CS274138B1publicationCriticalpatent/CS274138B1/en