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 Umesh DattafiledCriticalUmesh Datta
Priority to IN414/CAL/1975ApriorityCriticalpatent/IN139763B/en
Publication of IN139763BpublicationCriticalpatent/IN139763B/en