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Application filed by Petr Ing Friedrich, Bruno Prom Fyz Csc SopkofiledCriticalPetr Ing Friedrich
Priority to CS848435ApriorityCriticalpatent/CS242139B1/cs
Publication of CS843584A1publicationCriticalpatent/CS843584A1/cs
Publication of CS242139B1publicationCriticalpatent/CS242139B1/cs