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 Jiri Sadilek, Frantisek Moucka, Josef Klapste, Vaclav RuecklfiledCriticalJiri Sadilek
Priority to CS776776ApriorityCriticalpatent/CS187811B1/cs
Publication of CS187811B1publicationCriticalpatent/CS187811B1/cs