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 Bharat Heavy ElectricalsfiledCriticalBharat Heavy Electricals
Priority to IN949/DEL/87ApriorityCriticalpatent/IN171410B/en
Publication of IN171410BpublicationCriticalpatent/IN171410B/en