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Priority to JP1985165433UpriorityCriticalpatent/JPH0615672Y2/ja
Priority to GB8625670Aprioritypatent/GB2184363B/en
Publication of JPS6272695UpublicationCriticalpatent/JPS6272695U/ja
Priority to US07/097,663prioritypatent/US4764149A/en
Application grantedgrantedCritical
Publication of JPH0615672Y2publicationCriticalpatent/JPH0615672Y2/ja
