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Application filed by Vaclav Ing Kozmik, Dedek Vaclav, Palecek Jaroslav, Mostecky Jiri, Vladislav Rndr Kubelka, Zak Bohumil, Vesely Ivan, Votava VladimirfiledCriticalVaclav Ing Kozmik
Priority to CS858454ApriorityCriticalpatent/CS254474B1/en
Publication of CS845485A1publicationCriticalpatent/CS845485A1/en
Publication of CS254474B1publicationCriticalpatent/CS254474B1/en