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Priority to JP1990061751UpriorityCriticalpatent/JP2508869Y2/ja
Priority to KR9015190Uprioritypatent/KR940000592Y1/ko
Priority to AU63635/90Aprioritypatent/AU636658B2/en
Priority to ES9002498Aprioritypatent/ES2026019A6/es
Publication of JPH0420182UpublicationCriticalpatent/JPH0420182U/ja
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Publication of JP2508869Y2publicationCriticalpatent/JP2508869Y2/ja