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 IN750/DEL/82Aexternal-prioritypatent/IN163411B/en
Application filed by Ici PlcfiledCriticalIci Plc
Priority to IN832/DEL/85ApriorityCriticalpatent/IN163419B/en
Publication of IN163419BpublicationCriticalpatent/IN163419B/en