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Priority claimed from US06/481,034external-prioritypatent/US4606379A/en
Application filed by Viskase CorpfiledCriticalViskase Corp
Publication of NO844759LpublicationCriticalpatent/NO844759L/no
Publication of NO158043BpublicationCriticalpatent/NO158043B/no
Publication of NO158043CpublicationCriticalpatent/NO158043C/no