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 IN1307/1972Aexternal-prioritypatent/IN137625B/en
Application filed by Standard Oil CofiledCriticalStandard Oil Co
Priority to IN330/CAL/75ApriorityCriticalpatent/IN139448B/en
Publication of IN139448BpublicationCriticalpatent/IN139448B/en