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Priority claimed from GB08313994Aexternal-prioritypatent/GB2140046B/en
Priority claimed from GB838333471Aexternal-prioritypatent/GB8333471D0/en
Application filed by Rieter Ag MaschffiledCriticalRieter Ag Maschf
Priority claimed from EP86114914Aexternal-prioritypatent/EP0222245B1/de
Application grantedgrantedCritical
Publication of ATE57673T1publicationCriticalpatent/ATE57673T1/de