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Priority claimed from DE4014581Aexternal-prioritypatent/DE4014581A1/en
Application filed by Melchert BeschlaegefiledCriticalMelchert Beschlaege
Priority claimed from EP19910101720external-prioritypatent/EP0442384B1/en
Application grantedgrantedCritical
Publication of ATE95269T1publicationCriticalpatent/ATE95269T1/en