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Priority to JP8540588UpriorityCriticalpatent/JPH0720633Y2/ja
Priority to US07/369,732prioritypatent/US5023853A/en
Priority to DE68917656Tprioritypatent/DE68917656T2/de
Priority to EP89306433Aprioritypatent/EP0349230B1/en
Publication of JPH026291UpublicationCriticalpatent/JPH026291U/ja
Application grantedgrantedCritical
Publication of JPH0720633Y2publicationCriticalpatent/JPH0720633Y2/ja