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 Govind Chandra Mr SrivastavafiledCriticalGovind Chandra Mr Srivastava
Priority to IN1741/CAL/75ApriorityCriticalpatent/IN143074B/en
Publication of IN143074BpublicationCriticalpatent/IN143074B/en