Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ladislav Ing Klaboch, Antonin Ing Csc BaudysfiledCriticalLadislav Ing Klaboch
Priority to CS867110ApriorityCriticalpatent/CS256213B1/en
Publication of CS711086A1publicationCriticalpatent/CS711086A1/en
Publication of CS256213B1publicationCriticalpatent/CS256213B1/en