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Priority claimed from FR8013577Aexternal-prioritypatent/FR2484798A1/en
Application filed by Beghin Say SafiledCriticalBeghin Say Sa
Publication of FI820561LpublicationCriticalpatent/FI820561L/en
Application grantedgrantedCritical
Publication of FI68954BpublicationCriticalpatent/FI68954B/en
Publication of FI68954CpublicationCriticalpatent/FI68954C/en