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Priority to JP828590UpriorityCriticalpatent/JPH073531Y2/ja
Priority to EP90313793Aprioritypatent/EP0439940B1/en
Priority to DE69016771Tprioritypatent/DE69016771T2/de
Priority to US07/641,134prioritypatent/US5187887A/en
Publication of JPH03100320UpublicationCriticalpatent/JPH03100320U/ja
Application grantedgrantedCritical
Publication of JPH073531Y2publicationCriticalpatent/JPH073531Y2/ja