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 Krejcicek Jaromir, Vladimir Ing ZavrelfiledCriticalKrejcicek Jaromir
Priority to CS867107ApriorityCriticalpatent/CS263638B1/en
Publication of CS710786A1publicationCriticalpatent/CS710786A1/en
Publication of CS263638B1publicationCriticalpatent/CS263638B1/en