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Priority claimed from DE19914103068external-prioritypatent/DE4103068A1/en
Publication of NO940683LpublicationCriticalpatent/NO940683L/en
Application filed by Rottefella As, Witco AsfiledCriticalRottefella As
Priority to NO940683ApriorityCriticalpatent/NO179895C/en
Publication of NO940683D0publicationCriticalpatent/NO940683D0/en
Publication of NO179895BpublicationCriticalpatent/NO179895B/en
Publication of NO179895CpublicationCriticalpatent/NO179895C/en