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Application filed by Marian Ing Kosnac, Jaroslav Ing KovacfiledCriticalMarian Ing Kosnac
Priority to CS832287ApriorityCriticalpatent/CS238863B1/en
Publication of CS228783A1publicationCriticalpatent/CS228783A1/en
Publication of CS238863B1publicationCriticalpatent/CS238863B1/en