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Application filed by Pavelka Jiri, Zdenek JamborfiledCriticalPavelka Jiri
Priority to CS878001ApriorityCriticalpatent/CS270953B1/cs
Publication of CS800187A1publicationCriticalpatent/CS800187A1/cs
Publication of CS270953B1publicationCriticalpatent/CS270953B1/cs