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Application filed by Petr Ing Bezucha, Jan Dipl Tech Picka, Jaroslav Beranek, Danuse Prom Chem Tomkova, Kubicek Jaroslav, Vaclav Ing Balek, Vaclav Ing GrulichfiledCriticalPetr Ing Bezucha
Priority to CS873676ApriorityCriticalpatent/CS268711B1/cs
Publication of CS367687A1publicationCriticalpatent/CS367687A1/cs
Publication of CS268711B1publicationCriticalpatent/CS268711B1/cs