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Priority claimed from DK131970AAexternal-prioritypatent/DK129745B/da
Application filed by Emerson Electric CofiledCriticalEmerson Electric Co
Publication of DK143478BpublicationCriticalpatent/DK143478B/da
Application grantedgrantedCritical
Publication of DK143478CpublicationCriticalpatent/DK143478C/da