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Priority to JP17785780UpriorityCriticalpatent/JPS6011211Y2/ja
Priority to IT8149858Aprioritypatent/IT1210596B/it
Priority to IT3619381Uprioritypatent/IT8136193V0/it
Publication of JPS5799031UpublicationCriticalpatent/JPS5799031U/ja
Application grantedgrantedCritical
Publication of JPS6011211Y2publicationCriticalpatent/JPS6011211Y2/ja