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 PapacekfiledCriticalMiloslav Papacek
Priority to CS895871ApriorityCriticalpatent/CS587189A3/en
Publication of CS587189A3publicationCriticalpatent/CS587189A3/en