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Priority claimed from CH305/82Aexternal-prioritypatent/CH654355A5/de
Priority claimed from CH408382Aexternal-prioritypatent/CH656908A5/de
Application filed by Gegauf Fritz AgfiledCriticalGegauf Fritz Ag
Priority claimed from EP82111828Aexternal-prioritypatent/EP0084658B1/de
Application grantedgrantedCritical
Publication of ATE11938T1publicationCriticalpatent/ATE11938T1/de