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 Dittakavi Subrahmanya SarmafiledCriticalDittakavi Subrahmanya Sarma
Priority to IN301MA1991priorityCriticalpatent/IN179909B/en
Publication of IN179909BpublicationCriticalpatent/IN179909B/en