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Priority to JP1985140650UpriorityCriticalpatent/JPH0244489Y2/ja
Priority to KR2019860012637Uprioritypatent/KR910003899Y1/ko
Publication of JPS6249209UpublicationCriticalpatent/JPS6249209U/ja
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Publication of JPH0244489Y2publicationCriticalpatent/JPH0244489Y2/ja