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 TyralikfiledCriticalJindrich Tyralik
Priority to CS848567ApriorityCriticalpatent/CS243292B1/cs
Publication of CS856784A1publicationCriticalpatent/CS856784A1/cs
Publication of CS243292B1publicationCriticalpatent/CS243292B1/cs