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Priority to JP8510879UpriorityCriticalpatent/JPH0110235Y2/ja
Priority to US06/158,387prioritypatent/US4364684A/en
Priority to FR8013496Aprioritypatent/FR2459143A1/fr
Priority to DE3023189Aprioritypatent/DE3023189C2/de
Priority to GB8020228Aprioritypatent/GB2052397B/en
Publication of JPS563683UpublicationCriticalpatent/JPS563683U/ja
Application grantedgrantedCritical
Publication of JPH0110235Y2publicationCriticalpatent/JPH0110235Y2/ja