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Priority to JP1987022908UpriorityCriticalpatent/JPH0346401Y2/ja
Priority to DE198888100403Tprioritypatent/DE275095T1/de
Priority to DE88100403Tprioritypatent/DE3884631T2/de
Priority to EP88100403Aprioritypatent/EP0275095B1/en
Publication of JPS63131003UpublicationCriticalpatent/JPS63131003U/ja
Application grantedgrantedCritical
Publication of JPH0346401Y2publicationCriticalpatent/JPH0346401Y2/ja