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Priority claimed from GB838311111Aexternal-prioritypatent/GB8311111D0/en
Priority claimed from GB838311095Aexternal-prioritypatent/GB8311095D0/en
Application filed by Permanent Way EquipfiledCriticalPermanent Way Equip
Priority claimed from EP84302592Aexternal-prioritypatent/EP0127935B1/de
Application grantedgrantedCritical
Publication of ATE25119T1publicationCriticalpatent/ATE25119T1/de