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Application filedfiledCritical
Priority to JP7266188UpriorityCriticalpatent/JPH0521416Y2/ja
Priority to KR2019890001438Uprioritypatent/KR920000071Y1/ko
Priority to US07/357,765prioritypatent/US4939990A/en
Priority to GB8912481Aprioritypatent/GB2220889B/en
Priority to FR8907173Aprioritypatent/FR2632246A1/fr
Publication of JPH01175866UpublicationCriticalpatent/JPH01175866U/ja
Application grantedgrantedCritical
Publication of JPH0521416Y2publicationCriticalpatent/JPH0521416Y2/ja