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 Mason & Porter LtdfiledCriticalMason & Porter Ltd
Priority to NZ20611683ApriorityCriticalpatent/NZ206116A/en
Priority claimed from NZ20611583Aexternal-prioritypatent/NZ206115A/en
Priority to AU34857/84Aprioritypatent/AU580013B2/en
Publication of NZ206116ApublicationCriticalpatent/NZ206116A/en