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 Jan Ostrolucky, Martin OstroluckyfiledCriticalJan Ostrolucky
Priority to CS797175ApriorityCriticalpatent/CS183224B1/cs
Publication of CS183224B1publicationCriticalpatent/CS183224B1/cs