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 IN711/CAL/82Aexternal-prioritypatent/IN156558B/en
Application filed by Wilkinson Sword LtdfiledCriticalWilkinson Sword Ltd
Priority to IN1143/CAL/83ApriorityCriticalpatent/IN156563B/en
Publication of IN156563BpublicationCriticalpatent/IN156563B/en