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Priority to JP9248885UpriorityCriticalpatent/JPH0244229Y2/ja
Priority to GB08614855Aprioritypatent/GB2178564B/en
Priority to US06/876,372prioritypatent/US4702616A/en
Priority to KR1019860004889Aprioritypatent/KR890001351B1/ko
Publication of JPS621188UpublicationCriticalpatent/JPS621188U/ja
Application grantedgrantedCritical
Publication of JPH0244229Y2publicationCriticalpatent/JPH0244229Y2/ja
