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Priority to JP9706986UpriorityCriticalpatent/JPH035508Y2/ja
Priority to US07/055,463prioritypatent/US4913256A/en
Priority to DE8787304820Tprioritypatent/DE3770337D1/de
Priority to EP87304820Aprioritypatent/EP0248619B1/en
Publication of JPS632685UpublicationCriticalpatent/JPS632685U/ja
Application grantedgrantedCritical
Publication of JPH035508Y2publicationCriticalpatent/JPH035508Y2/ja
