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 IN2825/CAL/74Aexternal-prioritypatent/IN143815B/en
Application filed by Standard Oil Co OhiofiledCriticalStandard Oil Co Ohio
Priority to IN854/CAL/77ApriorityCriticalpatent/IN145991B/en
Publication of IN145991BpublicationCriticalpatent/IN145991B/en