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Priority to JP19067580UpriorityCriticalpatent/JPS6110184Y2/ja
Priority to US06/328,001prioritypatent/US4444481A/en
Priority to GB8138039Aprioritypatent/GB2090423B/en
Priority to DE3151211Aprioritypatent/DE3151211C2/de
Publication of JPS57110433UpublicationCriticalpatent/JPS57110433U/ja
Application grantedgrantedCritical
Publication of JPS6110184Y2publicationCriticalpatent/JPS6110184Y2/ja