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 Josef PodrazilfiledCriticalJosef Podrazil
Priority to CS510175ApriorityCriticalpatent/CS186939B1/cs
Publication of CS186939B1publicationCriticalpatent/CS186939B1/cs