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Application filed by Maschinenfabrik Rieter A.G.filedCriticalMaschinenfabrik Rieter A.G.
Priority claimed from PCT/EP1979/000067external-prioritypatent/WO1980000718A1/en
Application grantedgrantedCritical
Publication of ATE3998T1publicationCriticalpatent/ATE3998T1/en