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Priority to JP3365785UpriorityCriticalpatent/JPH0313140Y2/ja
Priority to GB08604697Aprioritypatent/GB2173683B/en
Priority to US06/835,831prioritypatent/US4731983A/en
Priority to FR868603252Aprioritypatent/FR2578380B1/fr
Publication of JPS61148134UpublicationCriticalpatent/JPS61148134U/ja
Application grantedgrantedCritical
Publication of JPH0313140Y2publicationCriticalpatent/JPH0313140Y2/ja
