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 KubantfiledCriticalJosef Kubant
Priority to CS433188ApriorityCriticalpatent/CS273360B1/cs
Publication of CS433188A1publicationCriticalpatent/CS433188A1/cs
Publication of CS273360B1publicationCriticalpatent/CS273360B1/cs