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Priority claimed from GB08313993Aexternal-prioritypatent/GB2140042B/en
Priority claimed from GB838333471Aexternal-prioritypatent/GB8333471D0/en
Application filed by Rieter Ag MaschffiledCriticalRieter Ag Maschf
Priority claimed from EP86106878Aexternal-prioritypatent/EP0197564B1/en
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Publication of ATE54682T1publicationCriticalpatent/ATE54682T1/en