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 PfizerfiledCriticalPfizer
Priority to IN905DE1987priorityCriticalpatent/IN172976B/en
Priority to IN781DE1990prioritypatent/IN175148B/en
Publication of IN172976BpublicationCriticalpatent/IN172976B/en