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 GB28098/76Aexternal-prioritypatent/GB1588957A/en
Priority claimed from NZ184501Aexternal-prioritypatent/NZ184501A/en
Application filed by Fmc CorpfiledCriticalFmc Corp
Priority to NZ192282ApriorityCriticalpatent/NZ192282A/en
Publication of NZ192282ApublicationCriticalpatent/NZ192282A/en