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Priority to JP19025787UpriorityCriticalpatent/JPH0193311U/ja
Priority to EP88120459Aprioritypatent/EP0319956B1/en
Priority to US07/280,856prioritypatent/US4964375A/en
Priority to DE8888120459Tprioritypatent/DE3875593T2/de
Priority to KR1019880016317Aprioritypatent/KR890010397A/ko
Publication of JPH0193311UpublicationCriticalpatent/JPH0193311U/ja