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Application filed by Skrziszowski Amandus, Alois Sedlacek, Jaromir HrcekfiledCriticalSkrziszowski Amandus
Priority to CS883001ApriorityCriticalpatent/CS265696B1/cs
Publication of CS300188A1publicationCriticalpatent/CS300188A1/cs
Publication of CS265696B1publicationCriticalpatent/CS265696B1/cs