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 PL1974167872ApriorityCriticalpatent/PL88407B1/pl
Publication of PL88407B1publicationCriticalpatent/PL88407B1/pl