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 Krumphanzl Zdenek, Vladimir Ing CrhafiledCriticalKrumphanzl Zdenek
Priority to CS848236ApriorityCriticalpatent/CS245245B1/cs
Publication of CS823684A1publicationCriticalpatent/CS823684A1/cs
Publication of CS245245B1publicationCriticalpatent/CS245245B1/cs