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Priority to JP13324386UpriorityCriticalpatent/JPH0510947Y2/ja
Priority to US07/044,681prioritypatent/US4869928A/en
Priority to DE8787106577Tprioritypatent/DE3764205D1/de
Priority to EP87106577Aprioritypatent/EP0250780B1/en
Publication of JPS6339468UpublicationCriticalpatent/JPS6339468U/ja
Application grantedgrantedCritical
Publication of JPH0510947Y2publicationCriticalpatent/JPH0510947Y2/ja