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 Inst ElektrotechnikifiledCriticalInst Elektrotechniki
Priority to PL25175985ApriorityCriticalpatent/PL146902B1/en
Publication of PL251759A1publicationCriticalpatent/PL251759A1/en
Publication of PL146902B1publicationCriticalpatent/PL146902B1/en