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
Priority claimed from IN1275/CAL/1973Aexternal-prioritypatent/IN140422B/en
Priority claimed from GB5523073Aexternal-prioritypatent/GB1387240A/en
Application filed by Thorn Electrical Ind LtdfiledCriticalThorn Electrical Ind Ltd
Priority to IN1986/CAL/74ApriorityCriticalpatent/IN141384B/en
Publication of IN141384BpublicationCriticalpatent/IN141384B/en