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
Priority claimed from IN914CA1992external-prioritypatent/IN178662B/en
Application filed by Punya Brata ChoudhurifiledCriticalPunya Brata Choudhuri
Priority to IN472CA1997priorityCriticalpatent/IN182339B/en
Priority claimed from IN471CA1997external-prioritypatent/IN191113B/en
Publication of IN182339BpublicationCriticalpatent/IN182339B/en