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Priority claimed from FR981857Aexternal-prioritypatent/FR1418065A/fr
Priority claimed from FR1426Aexternal-prioritypatent/FR87162E/fr
Priority claimed from FR93951Aexternal-prioritypatent/FR91908E/fr
Application filed by Creusot LoirefiledCriticalCreusot Loire
Application grantedgrantedCritical
Publication of AT320700BpublicationCriticalpatent/AT320700B/de