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 PL98330631ApriorityCriticalpatent/PL189300B1/en
Publication of PL330631A1publicationCriticalpatent/PL330631A1/en
Publication of PL189300B1publicationCriticalpatent/PL189300B1/en