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Priority to JP10439479UpriorityCriticalpatent/JPS6138878Y2/ja
Priority to US06/162,586prioritypatent/US4348916A/en
Priority to GB8021172Aprioritypatent/GB2054106B/en
Priority to FR8014649Aprioritypatent/FR2460833B1/fr
Publication of JPS5621297UpublicationCriticalpatent/JPS5621297U/ja
Application grantedgrantedCritical
Publication of JPS6138878Y2publicationCriticalpatent/JPS6138878Y2/ja