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Priority to JP11364484UpriorityCriticalpatent/JPS6128897U/ja
Priority to GB08517906Aprioritypatent/GB2162226B/en
Publication of JPS6128897UpublicationCriticalpatent/JPS6128897U/ja
Application grantedgrantedCritical
Publication of JPH0215976Y2publicationCriticalpatent/JPH0215976Y2/ja