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Priority to JP18665080UpriorityCriticalpatent/JPH0229548Y2/ja
Priority to DE19813151103prioritypatent/DE3151103A1/de
Priority to US06/335,035prioritypatent/US4413793A/en
Publication of JPS57110746UpublicationCriticalpatent/JPS57110746U/ja
Priority to US06/508,396prioritypatent/US4527756A/en
Application grantedgrantedCritical
Publication of JPH0229548Y2publicationCriticalpatent/JPH0229548Y2/ja