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 NO03102/71Aexternal-prioritypatent/NO129832B/no
Application filed by Gulf Oil CorpfiledCriticalGulf Oil Corp
Priority to NO740083ApriorityCriticalpatent/NO131271C/no
Publication of NO131271BpublicationCriticalpatent/NO131271B/no
Publication of NO131271CpublicationCriticalpatent/NO131271C/no