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Priority claimed from US06/696,839external-prioritypatent/US4612129A/en
Application filed by Lubrizol CorpfiledCriticalLubrizol Corp
Publication of NO863766D0publicationCriticalpatent/NO863766D0/en
Publication of NO863766LpublicationCriticalpatent/NO863766L/en
Publication of NO169904BpublicationCriticalpatent/NO169904B/en
Publication of NO169904CpublicationCriticalpatent/NO169904C/en