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Priority claimed from US06/375,971external-prioritypatent/US4436898A/en
Application filed by Davy Mckee AgfiledCriticalDavy Mckee Ag
Priority claimed from EP82104222Aexternal-prioritypatent/EP0065291B1/de
Application grantedgrantedCritical
Publication of ATE30595T1publicationCriticalpatent/ATE30595T1/de