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.)
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Publication date
Priority claimed from GB26244/76Aexternal-prioritypatent/GB1585163A/en
Application filed by Kgn Transmission LtdfiledCriticalKgn Transmission Ltd
Priority to IN153/DEL/81ApriorityCriticalpatent/IN150888B/en
Publication of IN150888BpublicationCriticalpatent/IN150888B/en