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Priority claimed from FR7060Aexternal-prioritypatent/FR86370E/fr
Application filed by Legrain Michel A J, A F LegourdfiledCriticalLegrain Michel A J
Publication of DK130761BpublicationCriticalpatent/DK130761B/da
Application grantedgrantedCritical
Publication of DK130761CpublicationCriticalpatent/DK130761C/da