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Priority to JP1967015493UpriorityCriticalpatent/JPS452871Y1/ja
Priority to DE19671632658prioritypatent/DE1632658A1/de
Priority to GB48043/67Aprioritypatent/GB1162442A/en
Priority to FR1562861Dprioritypatent/FR1562861A/fr
Priority to US691530Aprioritypatent/US3494710A/en
Publication of JPS452871Y1publicationCriticalpatent/JPS452871Y1/ja