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 Ici India LtdfiledCriticalIci India Ltd
Priority to IN137CA1991priorityCriticalpatent/IN176225B/en
Publication of IN176225BpublicationCriticalpatent/IN176225B/en