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Priority to JP13701887UpriorityCriticalpatent/JPH0342275Y2/ja
Priority to GB8820883Aprioritypatent/GB2209576B/en
Priority to US07/241,282prioritypatent/US4863417A/en
Priority to FR888811684Aprioritypatent/FR2620189B1/fr
Publication of JPS6441755UpublicationCriticalpatent/JPS6441755U/ja
Application grantedgrantedCritical
Publication of JPH0342275Y2publicationCriticalpatent/JPH0342275Y2/ja
