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 NZ237835Aexternal-prioritypatent/NZ237835A/xx
Priority claimed from IN802MA1991external-prioritypatent/IN173130B/en
Application filed by Univ PennsylvaniafiledCriticalUniv Pennsylvania
Priority to IN499MA1993priorityCriticalpatent/IN179478B/en
Publication of IN179478BpublicationCriticalpatent/IN179478B/en
