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Priority claimed from CH3744/88Aexternal-prioritypatent/CH676420A5/fr
Priority claimed from FR8813402Aexternal-prioritypatent/FR2637704B1/fr
Application filed by Haag Ag StreitfiledCriticalHaag Ag Streit
Priority claimed from EP19890118232external-prioritypatent/EP0362766B1/de
Application grantedgrantedCritical
Publication of ATE99145T1publicationCriticalpatent/ATE99145T1/de