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Priority claimed from FR727221513Aexternal-prioritypatent/FR2187206B1/fr
Priority claimed from FR7247151Aexternal-prioritypatent/FR2211174B1/fr
Application filed by Bruel AlainfiledCriticalBruel Alain
Publication of ATA510573ApublicationCriticalpatent/ATA510573A/de
Application grantedgrantedCritical
Publication of AT329909BpublicationCriticalpatent/AT329909B/de