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Priority to JP5299979UpriorityCriticalpatent/JPS55154365U/ja
Priority to US06/137,603prioritypatent/US4372415A/en
Priority to GB8011687Aprioritypatent/GB2049583B/en
Priority to FR8007944Aprioritypatent/FR2453747B1/fr
Priority to DE19803013798prioritypatent/DE3013798A1/de
Publication of JPS55154365UpublicationCriticalpatent/JPS55154365U/ja
Priority to US06/366,877prioritypatent/US4448279A/en