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Priority to JP1988098879UpriorityCriticalpatent/JPH0222046U/ja
Priority to US07/376,323prioritypatent/US5012169A/en
Priority to GB8916525Aprioritypatent/GB2222277B/en
Priority to KR1019890010273Aprioritypatent/KR930005881B1/ko
Priority to DE3924004Aprioritypatent/DE3924004A1/de
Priority to FR8909804Aprioritypatent/FR2639774B1/fr
Publication of JPH0222046UpublicationCriticalpatent/JPH0222046U/ja