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Priority to JP3827980UpriorityCriticalpatent/JPS6127118Y2/ja
Priority to GB8024882Aprioritypatent/GB2055280B/en
Priority to US06/173,902prioritypatent/US4357513A/en
Publication of JPS56140192UpublicationCriticalpatent/JPS56140192U/ja
Application grantedgrantedCritical
Publication of JPS6127118Y2publicationCriticalpatent/JPS6127118Y2/ja