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 Miroslav Ing BilkafiledCriticalMiroslav Ing Bilka
Priority to CS869578ApriorityCriticalpatent/CS957886A1/en
Publication of CS957886A1publicationCriticalpatent/CS957886A1/en