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 Oldrich PejcochfiledCriticalOldrich Pejcoch
Priority to CS401376ApriorityCriticalpatent/CS181111B1/cs
Publication of CS181111B1publicationCriticalpatent/CS181111B1/cs