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Priority to JP9059672UpriorityCriticalpatent/JPS54252Y2/ja
Priority to GB3096873Aprioritypatent/GB1424601A/en
Priority to DE19732333286prioritypatent/DE2333286A1/de
Priority to FR7324011Aprioritypatent/FR2191480A5/fr
Publication of JPS4950008UpublicationCriticalpatent/JPS4950008U/ja
Application grantedgrantedCritical
Publication of JPS54252Y2publicationCriticalpatent/JPS54252Y2/ja