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Application filed by Kozak Petr, Kubelka Vladislav, Stejskal Michal, Pacak Jan, Josef Ing Rapek, Mostecky JirifiledCriticalKozak Petr
Priority to CS863994ApriorityCriticalpatent/CS255143B1/en
Publication of CS399486A1publicationCriticalpatent/CS399486A1/en
Publication of CS255143B1publicationCriticalpatent/CS255143B1/en