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 Svacha Miroslav, Zdenek Ing StrakafiledCriticalSvacha Miroslav
Priority to CS864240ApriorityCriticalpatent/CS253697B1/cs
Publication of CS424086A1publicationCriticalpatent/CS424086A1/cs
Publication of CS253697B1publicationCriticalpatent/CS253697B1/cs