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Application filed by Bronislav Ing Neuwirt, Belunek Bohumir, Sava Kubin, Kouril Jan, Josef Ing Pastrnak, Jaroslav TyrlikfiledCriticalBronislav Ing Neuwirt
Priority to CS795652ApriorityCriticalpatent/CS231710B1/en
Publication of CS565279A1publicationCriticalpatent/CS565279A1/en
Publication of CS231710B1publicationCriticalpatent/CS231710B1/en