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Priority to JP12886482UpriorityCriticalpatent/JPS5932914U/ja
Priority to AU15624/83Aprioritypatent/AU554344B2/en
Priority to US06/502,087prioritypatent/US4571844A/en
Priority to GB08315755Aprioritypatent/GB2121961B/en
Publication of JPS5932914UpublicationCriticalpatent/JPS5932914U/ja
Priority to US06/768,240prioritypatent/US4584778A/en
Application grantedgrantedCritical
Publication of JPH0355051Y2publicationCriticalpatent/JPH0355051Y2/ja