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Priority to JP16936988UpriorityCriticalpatent/JPH0444174Y2/ja
Priority to EP89313206Aprioritypatent/EP0384081B1/en
Priority to DE89313206Tprioritypatent/DE68910504T2/de
Priority to US07/457,379prioritypatent/US5034111A/en
Publication of JPH0291610UpublicationCriticalpatent/JPH0291610U/ja
Application grantedgrantedCritical
Publication of JPH0444174Y2publicationCriticalpatent/JPH0444174Y2/ja