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Priority claimed from DE19813142853external-prioritypatent/DE3142853A1/de
Priority claimed from DE19823205399external-prioritypatent/DE3205399A1/de
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Priority claimed from EP82109572Aexternal-prioritypatent/EP0078430B2/de
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Publication of ATE19353T1publicationCriticalpatent/ATE19353T1/de