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Application filed by Liska Frantisek, Fikar Jiri, Dedek Vaclav, Rousar Ivo, Eva Kvapilova, Durmis Julius, Holcik Jan, Kubecka Tomas, Marian Ing Csc ValentinyfiledCriticalLiska Frantisek
Priority to CS872567ApriorityCriticalpatent/CS262463B1/en
Publication of CS256787A1publicationCriticalpatent/CS256787A1/en
Publication of CS262463B1publicationCriticalpatent/CS262463B1/en