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Priority to JP13552380UpriorityCriticalpatent/JPS6122173Y2/ja
Priority to US06/288,353prioritypatent/US4367636A/en
Priority to AU74355/81Aprioritypatent/AU543392B2/en
Priority to PH26168Aprioritypatent/PH20141A/en
Publication of JPS5758815UpublicationCriticalpatent/JPS5758815U/ja
Application grantedgrantedCritical
Publication of JPS6122173Y2publicationCriticalpatent/JPS6122173Y2/ja