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 Przemyslowe Ct OptykifiledCriticalPrzemyslowe Ct Optyki
Priority to PL27162488ApriorityCriticalpatent/PL156695B1/en
Publication of PL271624A1publicationCriticalpatent/PL271624A1/en
Publication of PL156695B1publicationCriticalpatent/PL156695B1/en
PL27162488A1988-04-011988-04-01Electronic circuit arrangement for signalling storage batter discharge or disconnection of supply voltage
PL156695B1
(en)