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Application filed by Ivan Ing Vesely, Drahonovsky Jan, Stanek Jan, Eichler Pavel, Votava Vladimir, Mostecky Jiri, Kubelka Vladimir, Palecek JaroslavfiledCriticalIvan Ing Vesely
Priority to CS848760ApriorityCriticalpatent/CS242281B1/en
Publication of CS876084A1publicationCriticalpatent/CS876084A1/en
Publication of CS242281B1publicationCriticalpatent/CS242281B1/en