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Priority to JP14755672UpriorityCriticalpatent/JPS5225212Y2/ja
Priority to GB3096873Aprioritypatent/GB1424601A/en
Priority to FR7324011Aprioritypatent/FR2191480A5/fr
Publication of JPS5030811UpublicationCriticalpatent/JPS5030811U/ja
Application grantedgrantedCritical
Publication of JPS5225212Y2publicationCriticalpatent/JPS5225212Y2/ja