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Priority to JP1980135521UpriorityCriticalpatent/JPH0118987Y2/ja
Priority to US06/288,353prioritypatent/US4367636A/en
Priority to AU74355/81Aprioritypatent/AU543392B2/en
Priority to PH26168Aprioritypatent/PH20141A/en
Publication of JPS5758813UpublicationCriticalpatent/JPS5758813U/ja
Application grantedgrantedCritical
Publication of JPH0118987Y2publicationCriticalpatent/JPH0118987Y2/ja