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Publication date
Priority claimed from FR7620550Aexternal-prioritypatent/FR2357136A2/fr
Priority claimed from DK293577Aexternal-prioritypatent/DK143523C/da
Application filed by Inst Francais Du PetrolefiledCriticalInst Francais Du Petrole
Priority to DK126280ApriorityCriticalpatent/DK144394C/da
Publication of DK126280ApublicationCriticalpatent/DK126280A/da
Publication of DK144394BpublicationCriticalpatent/DK144394B/da
Application grantedgrantedCritical
Publication of DK144394CpublicationCriticalpatent/DK144394C/da