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 Ales Ing BurianfiledCriticalAles Ing Burian
Priority to CS882473ApriorityCriticalpatent/CS271487B2/en
Publication of CS247388A2publicationCriticalpatent/CS247388A2/en
Publication of CS271487B2publicationCriticalpatent/CS271487B2/en