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Priority claimed from FR8123206Aexternal-prioritypatent/FR2518038A1/fr
Priority claimed from FR8218757Aexternal-prioritypatent/FR2535663A2/fr
Application filed by Soule Fer FroidfiledCriticalSoule Fer Froid
Priority claimed from EP19820402178external-prioritypatent/EP0082043B1/de
Application grantedgrantedCritical
Publication of ATE18028T1publicationCriticalpatent/ATE18028T1/de