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 filedfiledCritical
Priority to PL19741477ApriorityCriticalpatent/PL104404B1/pl
Publication of PL197414A1publicationCriticalpatent/PL197414A1/pl
Publication of PL104404B1publicationCriticalpatent/PL104404B1/pl