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
Application filed by Standard Oil CofiledCriticalStandard Oil Co
Priority to IN1183DE1991priorityCriticalpatent/IN182913B/en
Publication of IN182913BpublicationCriticalpatent/IN182913B/en