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Priority to JP1985024429UpriorityCriticalpatent/JPH0357574Y2/ja
Priority to US06/786,478prioritypatent/US4660850A/en
Publication of JPS61139859UpublicationCriticalpatent/JPS61139859U/ja
Application grantedgrantedCritical
Publication of JPH0357574Y2publicationCriticalpatent/JPH0357574Y2/ja
