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Priority to JP1480988UpriorityCriticalpatent/JPH0547456Y2/ja
Priority to DE3851478Tprioritypatent/DE3851478T2/de
Priority to EP88110233Aprioritypatent/EP0297487B1/en
Priority to US07/212,643prioritypatent/US4893105A/en
Publication of JPH01120314UpublicationCriticalpatent/JPH01120314U/ja
Application grantedgrantedCritical
Publication of JPH0547456Y2publicationCriticalpatent/JPH0547456Y2/ja