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Priority to JP15251288UpriorityCriticalpatent/JPH064173Y2/ja
Priority to US07/349,771prioritypatent/US4966101A/en
Priority to EP89304920Aprioritypatent/EP0342918B1/en
Priority to DE68913345Tprioritypatent/DE68913345T2/de
Publication of JPH0277410UpublicationCriticalpatent/JPH0277410U/ja
Application grantedgrantedCritical
Publication of JPH064173Y2publicationCriticalpatent/JPH064173Y2/ja