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 Warszawskie Zaklady Radiowe PrfiledCriticalWarszawskie Zaklady Radiowe Pr
Priority to PL20069977ApriorityCriticalpatent/PL112240B1/en
Publication of PL200699A1publicationCriticalpatent/PL200699A1/en
Publication of PL112240B1publicationCriticalpatent/PL112240B1/en