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 Mares, Jiri MaulerfiledCriticalJosef Mares
Priority to CS874325ApriorityCriticalpatent/CS262983B1/en
Publication of CS432587A1publicationCriticalpatent/CS432587A1/en
Publication of CS262983B1publicationCriticalpatent/CS262983B1/en