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 Politechnika LodzkafiledCriticalPolitechnika Lodzka
Priority to PL23957582ApriorityCriticalpatent/PL239575A2/en
Publication of PL239575A2publicationCriticalpatent/PL239575A2/en
Switching arrangement for switching on and off major consumer power in an alternating current circuit with several spaced switches for switching-on power for preset periods determined by an electric circuit