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 IN973/DEL/86Aexternal-prioritypatent/IN169267B/en
Application filed by Council Scient Ind ResfiledCriticalCouncil Scient Ind Res
Priority to IN215/DEL/88ApriorityCriticalpatent/IN169125B/en
Publication of IN169125BpublicationCriticalpatent/IN169125B/en