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Priority claimed from FI904390Aexternal-prioritypatent/FI92817C/sv
Application filed by Sumitomo Electric IndustriesfiledCriticalSumitomo Electric Industries
Publication of FI940500A0publicationCriticalpatent/FI940500A0/sv
Publication of FI940500ApublicationCriticalpatent/FI940500A/sv
Publication of FI94747BpublicationCriticalpatent/FI94747B/sv
Application grantedgrantedCritical
Publication of FI94747CpublicationCriticalpatent/FI94747C/sv