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 Ostern Engineering Pvt LtdfiledCriticalOstern Engineering Pvt Ltd
Priority to IN501CA1990priorityCriticalpatent/IN175542B/en
Publication of IN175542BpublicationCriticalpatent/IN175542B/en