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Priority claimed from FR7609999Aexternal-prioritypatent/FR2347126A2/en
Priority claimed from DE2644680Aexternal-prioritypatent/DE2644680C3/en
Application filed by Glaenzer Spicer SafiledCriticalGlaenzer Spicer Sa
Publication of DD132471A6publicationCriticalpatent/DD132471A6/en