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Publication date
Application filed by Karel Ing Volny, Horsky JirifiledCriticalKarel Ing Volny
Priority to CS8542ApriorityCriticalpatent/CS241400B1/en
Publication of CS4285A1publicationCriticalpatent/CS4285A1/en
Publication of CS241400B1publicationCriticalpatent/CS241400B1/en