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Priority to JP8974087UpriorityCriticalpatent/JPH041857Y2/ja
Priority to US07/167,730prioritypatent/US4886955A/en
Priority to DE8888302582Tprioritypatent/DE3865367D1/de
Priority to EP88302582Aprioritypatent/EP0294920B1/en
Publication of JPS63199723UpublicationCriticalpatent/JPS63199723U/ja
Application grantedgrantedCritical
Publication of JPH041857Y2publicationCriticalpatent/JPH041857Y2/ja