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 AT74577Aexternal-prioritypatent/AT351037B/en
Application filed by Hoffmann La RochefiledCriticalHoffmann La Roche
Priority claimed from NZ186335Aexternal-prioritypatent/NZ186335A/en
Publication of NZ189664ApublicationCriticalpatent/NZ189664A/en