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Application filed by Didek Stanislav, Frantisek Ferkl, Antonin Cap, Stejskal Alois, Jaroslav Dykast, Kubovy Josef, Marie Markova, Lojka Jaroslav, Borovcova ZelmirafiledCriticalDidek Stanislav
Priority to CS856440ApriorityCriticalpatent/CS259664B1/en
Publication of CS644085A1publicationCriticalpatent/CS644085A1/en
Publication of CS259664B1publicationCriticalpatent/CS259664B1/en