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 Nz GovernmentfiledCriticalNz Government
Priority to NZ17771575ApriorityCriticalpatent/NZ177715A/en
Priority to AU13992/76Aprioritypatent/AU494032B2/en
Publication of NZ177715ApublicationCriticalpatent/NZ177715A/en