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Application filed by Sevcik Arnost, Koudelka Karel, Jaroslav Ing Skrobalek, Breuer Jaromir, Zdenek Dipl Tech Merva, Jiri Rulik, Ledl LumirfiledCriticalSevcik Arnost
Priority to CS872285ApriorityCriticalpatent/CS259100B1/en
Publication of CS228587A1publicationCriticalpatent/CS228587A1/en
Publication of CS259100B1publicationCriticalpatent/CS259100B1/en