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Application filed by Lumir Prof Ing Csc Kuchar, Petr Ing Csc Kozelsky, Drahonir Ing Csc Jezka, Bohuslav Ing GoszykfiledCriticalLumir Prof Ing Csc Kuchar
Priority to CS855733ApriorityCriticalpatent/CS253015B1/en
Publication of CS573385A1publicationCriticalpatent/CS573385A1/en
Publication of CS253015B1publicationCriticalpatent/CS253015B1/en