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Application filed by Vlastimil Ing Hosinsky, Miloslav Ing ZelenkafiledCriticalVlastimil Ing Hosinsky
Priority to CS875120ApriorityCriticalpatent/CS263024B1/cs
Publication of CS512087A1publicationCriticalpatent/CS512087A1/cs
Publication of CS263024B1publicationCriticalpatent/CS263024B1/cs