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Priority to JP4888788UpriorityCriticalpatent/JPH0452010Y2/ja
Priority to US07/274,489prioritypatent/US4907564A/en
Priority to EP88119444Aprioritypatent/EP0317965B1/en
Priority to DE88119444Tprioritypatent/DE3887648T2/de
Publication of JPH01155117UpublicationCriticalpatent/JPH01155117U/ja
Application grantedgrantedCritical
Publication of JPH0452010Y2publicationCriticalpatent/JPH0452010Y2/ja