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 S N Dr Sur, Polyolefins Ind LimitedfiledCriticalS N Dr Sur
Priority to IN599CA1990priorityCriticalpatent/IN173310B/en
Publication of IN173310BpublicationCriticalpatent/IN173310B/en