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 Alojz SangalafiledCriticalAlojz Sangala
Priority to CS856727ApriorityCriticalpatent/CS259215B1/cs
Publication of CS672785A1publicationCriticalpatent/CS672785A1/cs
Publication of CS259215B1publicationCriticalpatent/CS259215B1/cs