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Priority claimed from DE19792910722external-prioritypatent/DE2910722C2/en
Priority claimed from DE19803001980external-prioritypatent/DE3001980C2/en
Application filed by Winkelmann & Pannhoff GmbhfiledCriticalWinkelmann & Pannhoff Gmbh
Publication of DK113980ApublicationCriticalpatent/DK113980A/en