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 Zaklady Transformatorow RadiowfiledCriticalZaklady Transformatorow Radiow
Priority to PL24324983ApriorityCriticalpatent/PL243249A1/en
Publication of PL243249A1publicationCriticalpatent/PL243249A1/en