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 PL1977196110ApriorityCriticalpatent/PL109819B2/en
Publication of PL196110A1publicationCriticalpatent/PL196110A1/en
Publication of PL109819B2publicationCriticalpatent/PL109819B2/en