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Priority claimed from FR8004994Aexternal-prioritypatent/FR2477399A1/fr
Application filed by Lasag AgfiledCriticalLasag Ag
Priority claimed from EP80810357Aexternal-prioritypatent/EP0030210B1/de
Application grantedgrantedCritical
Publication of ATE9134T1publicationCriticalpatent/ATE9134T1/de