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Priority to JP44058547ApriorityCriticalpatent/JPS49572B1/ja
Priority to CH704070Aprioritypatent/CH519205A/de
Priority to FR7017229Aprioritypatent/FR2044787A1/fr
Priority to GB2290770Aprioritypatent/GB1312005A/en
Priority to DE19702023404prioritypatent/DE2023404B2/de
Publication of JPS49572B1publicationCriticalpatent/JPS49572B1/ja