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Priority claimed from CH667579Aexternal-prioritypatent/CH623611A5/de
Application filed by Inventa AgfiledCriticalInventa Ag
Priority to IT49765/80ApriorityCriticalpatent/IT1147098B/it
Publication of IT8049765A0publicationCriticalpatent/IT8049765A0/it
Application grantedgrantedCritical
Publication of IT1147098BpublicationCriticalpatent/IT1147098B/it