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Priority claimed from DE19853542364external-prioritypatent/DE3542364A1/en
Priority claimed from DE19858534533external-prioritypatent/DE8534533U1/en
Application filed by Berthold FriesfiledCriticalBerthold Fries
Priority claimed from EP86110691Aexternal-prioritypatent/EP0211423B1/en
Application grantedgrantedCritical
Publication of ATE59799T1publicationCriticalpatent/ATE59799T1/en