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Priority to JP12231389UpriorityCriticalpatent/JPH0738101Y2/ja
Priority to GB9022686Aprioritypatent/GB2238034B/en
Priority to IT04838690Aprioritypatent/IT1246319B/it
Priority to US07/599,391prioritypatent/US5123991A/en
Publication of JPH0363553UpublicationCriticalpatent/JPH0363553U/ja
Application grantedgrantedCritical
Publication of JPH0738101Y2publicationCriticalpatent/JPH0738101Y2/ja