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 Miloslav Ing Buchar, Zverina Karel, Kroupa PetrfiledCriticalMiloslav Ing Buchar
Priority to CS827220ApriorityCriticalpatent/CS232844B1/en
Publication of CS722082A1publicationCriticalpatent/CS722082A1/en
Publication of CS232844B1publicationCriticalpatent/CS232844B1/en