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Priority to JP1988015536UpriorityCriticalpatent/JPH069198Y2/ja
Priority to US07/290,150prioritypatent/US4956950A/en
Priority to EP89101805Aprioritypatent/EP0327969B1/en
Priority to DE8989101805Tprioritypatent/DE68900342D1/de
Publication of JPH01119720UpublicationCriticalpatent/JPH01119720U/ja
Application grantedgrantedCritical
Publication of JPH069198Y2publicationCriticalpatent/JPH069198Y2/ja
