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Priority claimed from DE19883820681external-prioritypatent/DE3820681A1/en
Priority claimed from DE3833638Aexternal-prioritypatent/DE3833638A1/en
Application filed by Amazonen Werke Dreyer HfiledCriticalAmazonen Werke Dreyer H
Application grantedgrantedCritical
Publication of ATE88315T1publicationCriticalpatent/ATE88315T1/en