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Priority claimed from DE19722203529external-prioritypatent/DE2203529B2/en
Priority claimed from AT241072Aexternal-prioritypatent/AT314307B/en
Application filed by Wirtgen ReinhardfiledCriticalWirtgen Reinhard
Publication of ATA715975ApublicationCriticalpatent/ATA715975A/en
Application grantedgrantedCritical
Publication of AT348575BpublicationCriticalpatent/AT348575B/en