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Priority to JP1984191427UpriorityCriticalpatent/JPH0344675Y2/ja
Priority to KR1019850005517Aprioritypatent/KR860001749A/ko
Publication of JPS61105641UpublicationCriticalpatent/JPS61105641U/ja
Priority to US06/905,419prioritypatent/US4742601A/en
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Publication of JPH0344675Y2publicationCriticalpatent/JPH0344675Y2/ja
Priority to KR9214957Uprioritypatent/KR930000609Y1/ko