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Application filed by Pavel Ing Jurak, Ivan Ing Krejci, Belusa JindrichfiledCriticalPavel Ing Jurak
Priority to CS618388ApriorityCriticalpatent/CS273465B1/en
Publication of CS618388A1publicationCriticalpatent/CS618388A1/en
Publication of CS273465B1publicationCriticalpatent/CS273465B1/en