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Application filed by Peter Ing Szaraz, Jozef MorvayfiledCriticalPeter Ing Szaraz
Priority to CS867552ApriorityCriticalpatent/CS259562B1/en
Publication of CS755286A1publicationCriticalpatent/CS755286A1/en
Publication of CS259562B1publicationCriticalpatent/CS259562B1/en