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Priority claimed from CH418287Aexternal-prioritypatent/CH673095A5/fr
Priority claimed from CH3117/88Aexternal-prioritypatent/CH677326A5/fr
Application filed by Exitflex SafiledCriticalExitflex Sa
Priority claimed from EP19880810735external-prioritypatent/EP0314629B1/de
Application grantedgrantedCritical
Publication of ATE78723T1publicationCriticalpatent/ATE78723T1/de
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