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Priority to JP3517985UpriorityCriticalpatent/JPH0351186Y2/ja
Priority to US06/799,646prioritypatent/US4687318A/en
Priority to GB8528594Aprioritypatent/GB2168822B/en
Priority to DE3542885Aprioritypatent/DE3542885A1/de
Publication of JPS61150189UpublicationCriticalpatent/JPS61150189U/ja
Application grantedgrantedCritical
Publication of JPH0351186Y2publicationCriticalpatent/JPH0351186Y2/ja
