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Priority to JP5494990UpriorityCriticalpatent/JPH073535Y2/ja
Priority to EP90313793Aprioritypatent/EP0439940B1/en
Priority to DE69016771Tprioritypatent/DE69016771T2/de
Priority to US07/641,134prioritypatent/US5187887A/en
Publication of JPH0414313UpublicationCriticalpatent/JPH0414313U/ja
Application grantedgrantedCritical
Publication of JPH073535Y2publicationCriticalpatent/JPH073535Y2/ja