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Priority claimed from CH91179Aexternal-prioritypatent/CH619770A5/it
Priority claimed from CH2280Aexternal-prioritypatent/CH635188A5/fr
Application filed by Elioform AgfiledCriticalElioform Ag
Priority claimed from EP80810031Aexternal-prioritypatent/EP0014682B1/de
Application grantedgrantedCritical
Publication of ATE1653T1publicationCriticalpatent/ATE1653T1/de