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Priority claimed from DE19823239030external-prioritypatent/DE3239030A1/de
Application filed by Josef GailfiledCriticalJosef Gail
Priority claimed from EP82109994Aexternal-prioritypatent/EP0078064B1/de
Application grantedgrantedCritical
Publication of ATE26544T1publicationCriticalpatent/ATE26544T1/de