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Priority claimed from CH1195978Aexternal-prioritypatent/CH635950A5/de
Application filed by Sodeco Compteurs De GenevefiledCriticalSodeco Compteurs De Geneve
Publication of ATA902379ApublicationCriticalpatent/ATA902379A/de
Application grantedgrantedCritical
Publication of AT365348BpublicationCriticalpatent/AT365348B/de