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Application filed by Jan Ing Kotolan, Krofta Jiri, Mallat JaroslavfiledCriticalJan Ing Kotolan
Priority to CS879977ApriorityCriticalpatent/CS271351B1/en
Publication of CS997787A1publicationCriticalpatent/CS997787A1/en
Publication of CS271351B1publicationCriticalpatent/CS271351B1/en