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
Priority claimed from PL118532Aexternal-prioritypatent/PL55826B1/pl
Application filedfiledCritical
Publication of CS150917B2publicationCriticalpatent/CS150917B2/cs