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
Priority claimed from IN382/BOM/80Aexternal-prioritypatent/IN154704B/en
Application filed by Oronzio De Nora ImpiantifiledCriticalOronzio De Nora Impianti
Priority to IN117/BOM/83ApriorityCriticalpatent/IN154715B/en
Publication of IN154715BpublicationCriticalpatent/IN154715B/en