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Priority claimed from CH215781Aexternal-prioritypatent/CH655218A5/it
Priority claimed from CH3693/81Aexternal-prioritypatent/CH655219A5/it
Application filed by Giuseppe BaccanellifiledCriticalGiuseppe Baccanelli
Priority claimed from EP19820810133external-prioritypatent/EP0062004B1/de
Application grantedgrantedCritical
Publication of ATE20635T1publicationCriticalpatent/ATE20635T1/de