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Priority to JP1986075166UpriorityCriticalpatent/JPH0527704Y2/ja
Priority to US07/018,572prioritypatent/US4844220A/en
Priority to DE8787102650Tprioritypatent/DE3775577D1/de
Priority to EP87102650Aprioritypatent/EP0234564B1/en
Publication of JPS62185918UpublicationCriticalpatent/JPS62185918U/ja
Priority to US07/309,345prioritypatent/US4974706A/en
Application grantedgrantedCritical
Publication of JPH0527704Y2publicationCriticalpatent/JPH0527704Y2/ja