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 IN42/DEL/85Aexternal-prioritypatent/IN163263B/en
Application filed by PfizerfiledCriticalPfizer
Priority to IN632DE1987priorityCriticalpatent/IN172535B/en
Publication of IN172535BpublicationCriticalpatent/IN172535B/en