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Application filed by Ivancak Alojz, Nedelka GabrielfiledCriticalIvancak Alojz
Priority to CS841367ApriorityCriticalpatent/CS242479B1/en
Publication of CS136784A1publicationCriticalpatent/CS136784A1/en
Publication of CS242479B1publicationCriticalpatent/CS242479B1/en