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Priority claimed from DE3603664Aexternal-prioritypatent/DE3603664C2/de
Application filed by Rang K G Haus Moderner FussboefiledCriticalRang K G Haus Moderner Fussboe
Priority claimed from EP86906789Aexternal-prioritypatent/EP0248045B1/de
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Publication of ATE50976T1publicationCriticalpatent/ATE50976T1/de