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Priority claimed from CH149587Aexternal-prioritypatent/CH672482A5/en
Priority claimed from CH386787Aexternal-prioritypatent/CH676842A5/en
Application filed by Involvo AgfiledCriticalInvolvo Ag
Priority claimed from EP19880105782external-prioritypatent/EP0288814B1/en
Application grantedgrantedCritical
Publication of ATE76036T1publicationCriticalpatent/ATE76036T1/en