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Application filed by Karel Ing Bartos, Vitezslav Sindelar, Norbert SlavikfiledCriticalKarel Ing Bartos
Priority to CS832301ApriorityCriticalpatent/CS231043B1/en
Publication of CS230183A1publicationCriticalpatent/CS230183A1/en
Publication of CS231043B1publicationCriticalpatent/CS231043B1/en