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Application filed by Maschinenfabrik Rieter A.G.filedCriticalMaschinenfabrik Rieter A.G.
Priority claimed from PCT/EP1980/000037external-prioritypatent/WO1981000248A1/en
Application grantedgrantedCritical
Publication of ATE5770T1publicationCriticalpatent/ATE5770T1/en