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Priority to JP4411772ApriorityCriticalpatent/JPS494838A/ja
Priority to GB2021773Aprioritypatent/GB1436221A/en
Priority to IT23476/73Aprioritypatent/IT984158B/it
Priority to FR7315719Aprioritypatent/FR2183161B1/fr
Priority to DE2322129Aprioritypatent/DE2322129C3/de
Publication of JPS494838ApublicationCriticalpatent/JPS494838A/ja