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Priority claimed from US06/774,269external-prioritypatent/US4812544A/en
Application filed by Lubrizol CorpfiledCriticalLubrizol Corp
Publication of NO871718D0publicationCriticalpatent/NO871718D0/en
Publication of NO871718LpublicationCriticalpatent/NO871718L/en
Publication of NO167297BpublicationCriticalpatent/NO167297B/en
Publication of NO167297CpublicationCriticalpatent/NO167297C/en