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Application filed by Jozef Ing Blazek, Karel Cap, Pekar AntonfiledCriticalJozef Ing Blazek
Priority to CS828226ApriorityCriticalpatent/CS231785B1/en
Publication of CS822682A1publicationCriticalpatent/CS822682A1/en
Publication of CS231785B1publicationCriticalpatent/CS231785B1/en