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 Metallurg & Engineering Consul, Indian Inst Of TechnologlfiledCriticalMetallurg & Engineering Consul
Priority to IN694CA1990priorityCriticalpatent/IN174527B/en
Publication of IN174527BpublicationCriticalpatent/IN174527B/en