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Priority to JP14266488UpriorityCriticalpatent/JPH0622509Y2/ja
Priority to EP89119919Aprioritypatent/EP0367113B1/en
Priority to DE89119919Tprioritypatent/DE68908660T2/de
Priority to US07/428,060prioritypatent/US5074141A/en
Publication of JPH0265431UpublicationCriticalpatent/JPH0265431U/ja
Application grantedgrantedCritical
Publication of JPH0622509Y2publicationCriticalpatent/JPH0622509Y2/ja