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 Jindrich Spacek, Vaclav Smrcek, Jiri Kosek, Jan HrdinafiledCriticalJindrich Spacek
Priority to CS7500008687ApriorityCriticalpatent/CS182566B1/cs
Publication of CS182566B1publicationCriticalpatent/CS182566B1/cs