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 Inst Francais Du PetrolefiledCriticalInst Francais Du Petrole
Priority to NO880082ApriorityCriticalpatent/NO177360C/no
Publication of NO880082D0publicationCriticalpatent/NO880082D0/no
Publication of NO880082LpublicationCriticalpatent/NO880082L/no
Publication of NO177360BpublicationCriticalpatent/NO177360B/no
Publication of NO177360CpublicationCriticalpatent/NO177360C/no