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 IN922DE1987external-prioritypatent/IN174922B/en
Application filed by Council Scient Ind ResfiledCriticalCouncil Scient Ind Res
Priority to IN480DE1990priorityCriticalpatent/IN175030B/en
Publication of IN175030BpublicationCriticalpatent/IN175030B/en