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Priority to JP9499179UpriorityCriticalpatent/JPS5612170U/ja
Priority to US06/150,804prioritypatent/US4314705A/en
Priority to GB8016794Aprioritypatent/GB2055156B/en
Priority to IT8022276Aprioritypatent/IT1149859B/it
Priority to DE19803019633prioritypatent/DE3019633A1/de
Priority to FR8011602Aprioritypatent/FR2457398A1/fr
Publication of JPS5612170UpublicationCriticalpatent/JPS5612170U/ja