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Priority to JP1988079040UpriorityCriticalpatent/JPH0741954Y2/ja
Priority to GB8820883Aprioritypatent/GB2209576B/en
Priority to US07/241,282prioritypatent/US4863417A/en
Priority to FR888811684Aprioritypatent/FR2620189B1/fr
Publication of JPH02447UpublicationCriticalpatent/JPH02447U/ja
Application grantedgrantedCritical
Publication of JPH0741954Y2publicationCriticalpatent/JPH0741954Y2/ja