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Priority claimed from JP31537787Aexternal-prioritypatent/JPH01156039A/en
Application filed by Toyo Seikan Kaisha LtdfiledCriticalToyo Seikan Kaisha Ltd
Publication of DK399189D0publicationCriticalpatent/DK399189D0/en
Publication of DK399189ApublicationCriticalpatent/DK399189A/en