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 IN891CA1991external-prioritypatent/IN176186B/en
Application filed by Roy SantanufiledCriticalRoy Santanu
Priority to IN163CA1995priorityCriticalpatent/IN182178B/en
Publication of IN182178BpublicationCriticalpatent/IN182178B/en